Chapter 1: Steam, Confessions & Forbidden Fantasies
The steam from the shower wrapped around them like a second skin, curling against the cold black marble. Rick’s palm was flat against the wall beside Kate’s head, his body caging hers. The warm spray soaked through the back of his white shirt, plastering it to his shoulders.
“Say it again,” he growled, his lips against the damp tendrils of hair at her temple.
Kate’s breath hitched as his other hand slid from her hip, over the silk of her blouse, to squeeze her breast roughly through the fabric. Her head fell back against his shoulder. The familiar, clean scent of his cologne cut through the humid lavender air.
“I want him,” she whispered, then louder, her voice gaining strength as his fingers pinched her nipple. “I want to feel Marcus inside me. I want to watch your face while I ride him.”
Rick’s hips jerked forward, his hard cock grinding against the curve of her ass through their clothes. A low groan vibrated in his chest. “How? Tell me exactly how.”
She turned her head, her lips brushing his jaw. “On the couch. In your study. You’d be in the armchair, watching. I’d be on top of him, my skirt just pushed up, my heels digging into the cushions on either side of his hips.” She pressed back against him, a slow, deliberate roll of her body. “I’d lower myself onto him so slowly you’d want to scream. You’d see every inch of him disappear inside me.”
“Christ, Kate.” His hand left her breast, sliding down over her stomach, pushing against the pencil skirt. He found the hem, shoved it up, and his fingers dove beneath the lace of her panties. She was already wet, hot. He swore again, filthy and low, as he circled her clit. “And then what? You just take it? You just let him fuck my wife?”
“Yes.” The word was a gasp as his finger pushed inside her. “He’s so much thicker than you, Rick. You’d see how I have to stretch for him. You’d see the ache on my face.” She reached back, fumbling for his belt buckle, her fingers clumsy with need. “And you’d sit there with your cock in your hand, stroking yourself, begging me to look at you while he makes me come.”
The belt clattered to the tile floor. Rick spun her around, his hands gripping her ass, lifting her. Her legs wrapped around his waist as he pinned her back to the cold, wet marble. He kissed her, deep and consuming, all tongue and teeth. He tore at her blouse, buttons pinging against the glass shower door.
“He wouldn’t kiss you like this,” Rick breathed against her mouth. “This is mine.”
“It’s all yours,” she panted, arching her body to let him strip the ruined silk away. “Everything is yours. Even when he’s fucking me, I’m yours.”
He got her skirt off, the panties ripped to the side. His own clothes were a hindrance he dealt with in frantic, jerky movements. Then he was naked, pressing her bare skin to the stone. The chill of it made her yelp, a sharp sound swallowed by his mouth. His cock, hard and eager, nudged at her entrance.
“You think about his cock,” Rick said, not asking. He pushed into her with one solid, claiming thrust, seating himself to the hilt. She cried out, her nails biting into his back. “You’re dripping for his fantasy. But this is what you get. Me. You feel that? That’s me filling up my wife.”
He set a brutal pace, each drive of his hips slamming her body against the wall. The steam built around them, a cloud of heat and raw sound—skin slapping skin, their ragged breaths, Kate’s choked moans that rose in pitch with every punishing thrust.
“You wanna come?” he grunted, his hand sliding between them, his thumb finding her clit. “Come on my cock while you tell me who you really belong to.”
It was too much—the friction, the fullness, the crude, possessive words in his voice. Her orgasm tore through her, a violent ripple that clenched tight around him. She buried her face in his neck to muffle her scream, her body trembling.
He fucked her through it, his rhythm becoming erratic, desperate. “I want to watch him take you,” he gasped, his own release building. “I want to see you suck him off. I want you to beg for his cum.”
The image, voiced in his ragged tone, tipped him over the edge. He shuddered, his hips stuttering, a hot rush pulsing inside her as he came with a guttural shout.
For a long moment, there was only the sound of the shower and their breathing. He eased her down, her legs wobbly. They stood under the spray, foreheads together, the water sluicing the sweat from their skin.
Rick reached out, turned off the taps. The sudden silence was heavy. He grabbed a towel, wrapped it around her shoulders. His blue eyes were dark, intense. “So when?”
Kate smiled, a slow, tired curve of her lips. She dabbed at a drop of water on his chest. “He’s texting you. Not me. You set it up.”
“I showed him your picture. The one from the Hamptons. In the red bikini.” He watched her face, his writer’s mind cataloging every micro-expression—the flicker of arousal, the hint of nerves. “He said he’d fuck you until you forgot your own name. For a price.”
“Pay it,” she said simply, stepping out of the shower onto the bathmat. She met his gaze in the vast mirror, her brown eyes still soft from sex, but her captain’s resolve settling back into place. “Set it up for Friday. Your study.”
He followed her, pulling on a robe. The city lights twinkled beyond the windows, a grid of possibilities. “And what do I get?”
Kate turned, the towel hugging her curves. She walked to him, her bare feet silent on the tile, and took his hand. She placed it over her stomach, where his cum was still warm inside her.
“You get everything,” she said. “You get to watch. You get to join. You get to write it all down later and get hard all over again.” She rose on her toes, kissing him softly. “Now go text your black stud, husband. I have a case file to review.”
He watched her walk toward the bedroom, the perfect, powerful line of her back, the swing of her hair. His phone was on the vanity, blinking. A new message, from an unknown number.
Ready when you are, writer. She worth the trouble?
Rick picked up the phone, his thumbs hovering over the screen. A thrill, sharp and electric, shot down his spine. He typed back.
She’s worth everything. Friday. 9 PM. Details to follow.
He hit send, the message whooshing away into the night. From the bedroom, he heard the rustle of paper, the sound of Kate’s heels dropping to the floor. He leaned against the vanity, a slow smile spreading across his face. The story was just beginning.
The tension between Friday and Wednesday was a live wire, humming through the pent-house. Rick found it impossible to concentrate on his manuscript. His mind kept returning to the phone, to the stark, transactional clarity of Marcus’s texts.
Kate, for her part, moved through their home with a focused calm that drove him wild. She’d catch him staring over his laptop, his gaze hot and lingering, and she’d just raise a brow. “Working, Castle. Some of us have real crimes to solve.”
“The only crime is that skirt,” he’d retort, earning an eye-roll that didn’t quite hide her smile.
But at night, in the dark, the pretense fell away. She’d slide her hand down his stomach, her mouth on his ear. “Do you think he’ll be rough with me?” she whispered, two nights before. “Do you think he’ll make me say your name while he’s doing it?”
Rick had flipped her onto her stomach, hiked her hips, and entered her in one long, claiming stroke. “You’ll scream mine,” he’d snarled, pounding into her, “because you’ll be remembering who gave you to him.”
Now it was Friday. 8:45 PM.
Rick stood in his study, adjusting the cuff of his dark shirt for the tenth time. The room was all rich leather and towering bookshelves, his sanctuary. Tonight, it felt like a stage. He’d dimmed the lamps, leaving pools of warm light. A bottle of bourbon and three glasses sat on the silver tray. His heart was a fucking drum solo.
Kate walked in. She wore a simple black dress, sleeveless, hitting mid-thigh. It was elegant, severe even, until she turned. The back plunged deep, a dramatic V that ended just above the swell of her ass. Her beige stilettos made her legs look endless. Her chestnut hair was down, falling in loose waves. She looked like a victory and a surrender all at once.
“You look…” he started, his voice rough.
“Like his fantasy or yours?” she finished, a slight tremor in her hand as she smoothed the dress over her hips.
“Mine,” Rick said, crossing to her. He hooked a finger in the back of her dress, tugging her close. “Always mine. This just… expands the universe a little.” He kissed her, deep and hungry, tasting her mint and her nerves. “You can say stop. Any time. One word.”
She shook her head, her eyes wide and dark. “I don’t want to stop. I want to see you watch.”
The intercom buzzed. A static voice from the doorman. “Mr. Castle, a Mr. Jones is here for you.”
Rick released her, their breathing the only sound. He pressed the button. “Send him up.”
Time compressed. The elevator’s soft chime in the foyer was a gunshot. A knock, solid and assured.
Rick opened the door.
Marcus filled the frame. He was taller than Rick had remembered from the brief meeting at the gym, broader. He wore a black leather jacket over a grey t-shirt, dark jeans. His gaze slid past Rick, landing on Kate where she stood in the study doorway. A slow, appreciative smile spread across his face.
“Captain Beckett,” he said, his voice a low rumble. “The picture didn’t do you justice.”
“Marcus,” Kate said, her tone even, the one she used with confident perps. “Come in.”
He stepped inside, the apartment seeming to shrink. He shrugged off his jacket, revealing powerful shoulders and arms that strained the cotton of his shirt. His eyes scanned the room, the books, the bourbon, the tense, beautiful woman, finally settling on Rick. “Writer. You ready for your show?”
Rick’s jaw tightened. “It’s not a show.”
“Everything’s a show,” Marcus countered, moving past him into the study. He went straight to the bourbon, poured three fingers, knocked it back. He turned, leaning against the desk, dominating the space. “So. How do you want to do this? You want to talk about it first? Negotiate?”
Kate walked fully into the room, the click of her heels definitive. “There’s nothing to negotiate.” She stopped a few feet from Marcus, looking up at him. “You’re here for a reason. So am I.”
Marcus set the glass down. He reached out, not touching her, but his hand hovered near her cheek. “Tell me the reason.”
Her eyes flicked to Rick, who stood frozen by the door, his blood roaring in his ears. “I want to feel you,” she said to Marcus, her voice dropping. “And I want him to see it.”
That was it. The trigger.
Marcus’s hand closed around the back of her neck, not gentle. He pulled her to him, his other arm banding around her waist, and his mouth crashed down on hers. It wasn't a kiss; it was consumption. Kate made a shocked, muffled sound, her hands coming up to brace against his chest. Then her fingers curled into the fabric, holding on.
Rick watched, paralyzed. He saw the dark contrast of Marcus’s hand against Kate’s pale neck, the straining muscles in his forearm, the way Kate’s body arched into his. A possessive fury flashed through him, white-hot, followed immediately by a jolt of pure, shameful arousal so intense it stole his breath.
Marcus broke the kiss, his lips trail-ing down her jaw to her throat. “Turn around,” he commanded, his voice thick. “Show him your back.”
Swallowing hard, Kate turned. Marcus’s eyes locked with Rick’s over her shoulder. He yanked the zipper of her dress down in one harsh sound. The fabric gaped, revealing the length of her spine, the black lace of her bra. He pushed the dress from her shoulders. It pooled at her feet, leaving her in just the lace underwear, garters, stockings, and those devastating heels.
“Fuck,” Rick breathed, his hand moving involuntarily to the front of his pants.
Marcus spun Kate back to face him. He palmed her breast through the lace, his thumb rasping over her nipple. “He’s hard just from this,” Marcus said, not to Kate, but to Rick. “Look at him. He’s desperate to touch himself.”
“Rick,” Kate whispered, her composure cracking into need.
“Come here,” Rick said, the words scraping out of him.
Marcus released her with a little push. She walked to Rick on unsteady legs. He cupped her face, kissed her softly, a stark contrast to the violence of Marcus’s kiss. He could taste the other man’s bourbon on her lips. “You okay?”
She nodded, her eyes glazed. “I want you to see.”
He guided her to the wide leather armchair. “Sit here. Watch.”
She sat, perched on the edge, her legs crossed. A goddess on a throne of secrets.
Marcus was already unbuckling his belt. “You just gonna watch, writer? Or you gonna participate?”
Rick approached him, the space between them crackling. “How do you want it?”
A cruel, sexy grin. “I want her on her knees between us. I want her to taste us both. See if she can tell the difference.”
Rick’s cock twitched. He nodded, a sharp jerk of his head.
“Kate,” Marcus said. “Get over here. On your knees.”
She rose, a fluid movement of stockings and lace and sheer will, and sank to the rug between them. The sight wrecked Rick. His wife, her head bowed, her naked back exposed, waiting between two men.
Marcus freed his cock first. It was thick, uncut, and impressively hard, jutting out from a thatch of coarse dark hair. Rick followed, his own seven inches standing rigid. The comparison was undeniable—Marcus was heavier, a more brutal architecture of flesh.
“You first,” Marcus said to Rick. “Let her remember home before she travels.”
Rick stepped forward, the head of his cock brushing Kate’s lips. Her warm brown eyes looked up at him, full of love and filth. She opened her mouth, taking him in, her tongue swirling around the tip before she sank down, taking him deep into her throat. He groaned, his fingers tangling in her hair. Her suction was perfect, practiced, intimate. His hips gave a small thrust.
“Good girl,” he whispered.
After a minute, Marcus tapped her shoulder. “My turn.”
She released Rick with a wet pop, a string of saliva connecting her lip to his glistening head. She turned to Marcus, and without hesitation, took his thicker crown into her mouth. She struggled at first, her jaw stretching. A low, guttural sound came from Marcus as he watched her lips strain around his girth.
“That’s it,” he murmured, his hand joining Rick’s in her hair. “Get it wet for that pretty pussy of yours.”
They traded her back and forth, her head bobbing between them. The room filled with the sounds of wet sucking, ragged breaths, and choked moans. Rick felt animal, primal. Sharing her. Showing her off. Watching another man's cock disappear between her lips made his own ache with a need beyond anything he’d written.
Marcus finally pulled back, his shaft slick with her spit. “Enough. I need to be inside her. Now. On the couch.”
Kate stood, her knees shaky. Marcus guided her to the large leather sofa, pushing her down onto her back. He hooked his fingers in her panties and tore them aside. He didn’t bother to remove them. He just shoved her thighs wide, knelt between them, and notched his broad head against her entrance.
He looked at Rick, who stood frozen, stroking himself. “You see this? You see how tight she is for me?”
Rick could only nod, his throat closed.
Marcus pushed. He didn’t go slow. He used the weight of his body, a relentless, gradual invasion. Kate cried out, a sharp, shocked sound as he stretched her open. Rick saw the delicious, impossible strain of her body accepting him, the dark, thick length of him sinking deeper, deeper, until his hips were flush against her thighs.
“Oh, God,” Kate sobbed, her head thrashing against the couch cushion.
“Not God,” Marcus grunted, already pulling back and slamming home. “Just me.”
He set a pounding rhythm, each thrust jolting her body up the leather. The couch creaked in protest. Kate’s sounds were punched out of her—gasping moans, fragmented pleas. Her heels scrambled for purchase on his back.
Rick stumbled closer, his hand a frantic piston on his own cock. The view was obscene, beautiful: the gleam of sweat on Marcus’s back, the way Kate’s breasts shook with each drive, the wet, rhythmic slap of flesh.
“Look at him, Kate,” Marcus ordered, his pace never slowing. “Look at your husband while I fuck his wife.”
Her eyes, hazy with pleasure, found Rick’s. The connection was electric, a current of shared degradation and ultimate trust. Her lips formed his name. Rick.
“Touch yourself,” Rick growled at her. “Come for him. I want to see it.”
Her hand slid between her own legs, her fingers finding her clit. Her back arched off the couch, a silent scream on her lips as her climax hit her. It visibly rippled through her, her inner muscles clamping down on Marcus’s cock, milking him.
He cursed, his rhythm breaking into short, brutal plunges. “Yeah, take it… fucking take this…”
With a final, deep grind, he emptied into her, a hoarse roar tearing from his throat. He collapsed atop her for a second before rolling to the side, his cock slipping out, glistening with their mixed fluids.
The room was a symphony of heavy breathing. Kate lay spent, her limbs splayed, her core utterly filled and overflowing. Marcus lay beside her, a conqueror at rest.
Rick stood over them, his cock still throbbing, untouched. The scene was everything he’d fantasized about—raw, explicit, his wife thoroughly claimed by a stronger, darker man. Yet, a new hunger, sharper and more terrifying, uncoiled in his gut.
His gaze drifted from Kate’s wrecked, beautiful form to Marcus’s powerful, relaxed body. The fantasy had only ever been half complete.
Marcus caught him looking. A sly, knowing smile touched his lips. He reached out a large, spent hand and wrapped it loosely around Rick’s wrist. His thumb stroked the frantic pulse point there.
“Writer,” Marcus said, his voice quiet, smoky. “Your turn.”
Marcus’s words hung in the air, a challenge and an invitation. Rick’s gaze flicked from Marcus’s knowing smirk to Kate, who lay watching him, her chest still heaving. Her warm brown eyes were dark, approving. A slow, breathless nod from her was all the permission he needed.
The dynamic in the room shifted, the air crackling with a new kind of current. It was no longer just about Kate being taken. This was a door swinging open on a hinge Rick had only ever pushed against in his darkest, most private thoughts.
Marcus slid off the couch, his movement fluid and assured. He got on his hands and knees on the thick rug, presenting himself to Rick, his broad back a sculpted landscape of muscle, his ass offered without ceremony. The visual was shocking, profoundly intimate. This powerful man, who had just dominated Rick’s wife, now waited for him.
“Well?” Marcus’s voice was muffled against the rug. “You wanted the whole show. This is the final act.”
Rick moved as if in a dream. He knelt behind Marcus, his knees sinking into the plush pile. He placed a shaking hand on the small of Marcus’s back, feeling the heat of his skin, the slight sheen of sweat. He reached for the bourbon bottle on the floor, poured a generous slick of the amber liquid into his palm, and warmed it. The sharp, oaky scent mixed with the musk of sex. He slicked his own cock, then pressed his fingers against Marcus’s entrance.
Marcus grunted, pushing back against the pressure. “Don’t be gentle, writer. You’re not that kind of guy tonight.”
Rick took him at his word. He pressed two fingers in, working them roughly, stretching him. Marcus let out a low, shuddering breath. “Yeah. Like that.”
When Rick lined up the broad head of his cock, his heart hammered against his ribs. He looked over at Kate. She was sitting up now, legs curled beneath her, watching with an intensity that mirrored his own earlier hunger. Her lips were parted, her hand resting idly between her own thighs, still glistening from Marcus.
Rick pushed.
The resistance was tight, overwhelming. He’d never done this, not like this. Marcus was incredibly tight, the clenching muscle a hot, unbelievable vise. Rick groaned, a raw, pathetic sound, as he sank in by inches. He bottomed out, his balls pressed against Marcus, their bodies joined. The feeling was catastrophic—a total inversion of power, a surrender that felt like conquest.
“Fuck,” Marcus breathed, his fists clenching in the rug. “You’re bigger than you look.”
Rick stayed there, buried, acclimating to the feeling. Then he drew back and thrust. The slide was smoother now, a punishing friction. He set a rhythm, hard and deep, each drive punching a ragged noise from Marcus’s throat.
He leaned forward, his chest pressed to Marcus’s sweaty back. His hand snaked around Marcus’s hip, seeking. He found Marcus’s cock, thick and half-hard again, already leaking. Rick wrapped his fist around it, marveling at the weight and girth in his hand. He began to stroke him in time with his own thrusts, a rough, twisting motion.
“Shit,” Marcus hissed, arching his back. “Yeah… fuck me and jack me off… just like that.”
Rick lost himself in the duality of it—the plundering of this powerful man while coaxing his pleasure with his hand. He was the aggressor, the provider. The sounds were obscene: the wet slap of his hips against Marcus’s ass, the slick twist of his fist, their combined grunts and gasps. Kate’s quiet, captivated breathing was the only other sound.
He felt the tension coiling at the base of his spine, a hot wire about to snap. Beneath him, Marcus’s breath was coming in short, sharp bursts, his cock swelling and jerking in Rick’s hand.
“I’m gonna…” Rick gritted out, his thrusts becoming erratic, desperate.
“Do it,” Marcus snarled. “Fill me up.”
The command undid him. Rick’s orgasm ripped through him with a fury, a deep, pulsing release that went on and on as he emptied himself into Marcus’s bowels. At the same moment, Marcus came with a ragged shout, hot streaks of cum shooting over Rick’s fist and splattering onto the rug below.
For a long moment, they stayed locked together, breathing in ragged unison, the air thick with the smell of bourbon, sweat, and sex.
Slowly, Rick pulled out. He knelt back, his hand dripping. He was mesmerized by the sight of Marcus, spent and open.
Without thinking, driven by an impulse that came from somewhere beyond reason, Rick leaned forward. He pressed his mouth to the heated skin of Marcus’s ass, licking a broad, slow stripe over the slick, used hole, tasting himself, tasting salt and musk and the truth of what they’d done.
Marcus shifted, rolling onto his side. He looked at Rick’s cum-covered hand. A flicker of something passed over his face—surprise, maybe respect. He reached out, took Rick’s wrist, and brought his fingers to his own mouth. His tongue, broad and warm, licked Rick’s palm clean with deliberate, thorough lashes, his eyes locked on Rick’s the entire time.
It was more intimate than anything else that had happened.
Silence descended, profound and complete. Marcus sat up, then stood with a soft groan.