Ethan Greene is a 24-year-old rising associate at a Manhattan investment firm, driven, solitary, and haunted. The son of a murdered father and a mother lost to grief, he has built his life around work and emotional distance. But when terrifying dreams begin invading his sleep, vivid, visceral, and achingly real, Ethan finds himself witnessing things no living person should know.

The dreams show him victims. Young. Innocent. Brutalized in ways that follow a chilling, deliberate pattern. When Ethan discovers that the details in his visions match unsolved crimes, he is drawn into a world far darker than the financial corridors he navigates by day.

Detective Sarah Collins, a relentless homicide investigator, has been hunting the same killer for years without a break in the case. When Ethan brings her what he knows, they begin to close in on a predator who has always been one step ahead, a man named Johnathan Wilkes, who owns a rundown gym in Brooklyn behind a mask of calm that hides a capacity for unspeakable violence.

Then everything shifts.

The night Ethan first dreams of Wilkes, sees his face, his hands, his ritual, Wilkes starts dreaming of Ethan. Something inexplicable has opened between them, a corridor in the dark that runs both ways. Wilkes does not understand it. But he understands the threat. Now two men are hunting each other across the waking world and through the landscape of their own sleeping minds,— each dreaming of the other, each moving closer, each aware the other is coming.

For Ethan, the dreams are a lifeline, a map to justice. For Wilkes, they are a warning, and a challenge he cannot resist. The question is no longer just whether Ethan and Detective Collins can catch the killer. It is a question of whether Ethan will survive long enough for it to matter.

Woven through Ethan's journey is Dr. Olivia Bennett, a psychologist specializing in dream therapy, who helps him understand what his subconscious may be unlocking, and the terrifying implications of a psychic connection he never asked for. And at the edges of his waking life stands Lisa Becker, his sharp, poised boss, whose professional distance barely conceals a deeper connection neither of them dares to name.

The Reciprocal is a taut, atmospheric psychological thriller about trauma, obsession, and the terrifying line between the world we inhabit and the one that visits us in the dark.

Synopsis

Manhattan — Late Night

The BMW knows Manhattan the way I do — by feel, by sound, by the particular pressure of each block against the wheel. I wasn't thinking about driving. I was letting the car do it, letting muscle memory handle the lights and the turns while the rest of me stayed back in the warehouse, stuck somewhere in the last thirty seconds of what had happened there.

My hands were shaking.

Not badly. Not visibly, maybe, to someone watching from the outside. But I could feel it, a fine, insistent vibration that started somewhere behind my ribs and pushed outward into my fingers, into my jaw. My body processing something that my mind wasn't ready to look at yet. I'd learned the difference this year. Between the shaking you can control and the shaking that doesn't ask your permission.

The smell was still on me. I was aware of it the way you're aware of a sound you can't unhear, not something I was smelling anymore so much as something I was wearing, something that had become a fact of the air around me. Blood has a particular logic to it. Brain matter is something else. Something I hadn't been prepared for, the first time.

I caught my reflection in the rear-view mirror when the light on Forty-Seventh turned red. I looked at it the way you look at a stranger whose face you almost recognize. I wasn't sure I knew the man looking back anymore.

I had walked these streets with my father. Small hand inside a larger one, the city enormous around me, the way a city only feels enormous when you're young enough to let it. He had believed in things. He had taught me to believe in things. He had not lived long enough to show me what it would cost.

The light changed. I drove.

The nightmares had taught me many things over the years.

How evil thinks.

How evil hunts.

How evil kills.

What they had never taught me was how to live with the aftermath.

The church sat on its corner the way it had always sat, as though the rest of the city had grown up around it, a little reluctantly, and the church had simply waited it out. Stone facade. Gothic arches. Marble steps broad enough to hold a crowd, worn smooth in the center by a hundred years of arriving feet. I'd passed this building a thousand times in my life. I'd never expected to know it the way I know it now.

I pulled to the curb and cut the engine.

I sat.

I should have changed. I'd known that for twenty-three blocks, had the argument with myself the whole drive over, and the argument itself was the answer, whatever was pulling me here wasn't willing to wait for a shower and clean clothes. Some things don't schedule themselves around decency. I was beginning to understand that about this work.

I got out of the car.

The marble was cold under my shoes. The heavy wooden doors pulled outward the way they always do, that particular gravity, that particular weight, as though the doors themselves are part of the ritual. Inside, candlelight, oak pews the color of dark honey, the incense ghost of ten thousand masses. The kind of silence that isn't empty. The kind of silence that has been accumulating for a very long time.

I went to the front pew. I sat. I folded my hands and bent my head and said the words I've been saying since all of this started, “Help me understand.”

I wasn't sure what I was asking for. Absolution seemed too clean. Understanding seemed too large.

I didn't get it. But I asked anyway.

Archbishop Thomas appeared, the friction of a cassock in motion, the particular rhythm of a man whose movements had become their own kind of liturgy after so many years. He came along the side wall toward the confessional, unhurried, and I kept my eyes forward, tracking him at the edge of my vision without turning my head. He called me and told me that he alone would be hearing my confessions since the priest of my childhood was murdered.

He paused at the confessional door.

He looked at me. He held it for a breath, maybe two, and then he opened the door and stepped inside.

I stood.

I turned toward the crucifix above the altar. I went to one knee, right knee, the way my mother showed me. I held it for a moment. Not long enough to perform it, not so briefly that it meant nothing. Then I rose and crossed to the confessional.

The booth is dark in the way confessionals are dark, not lightless but enclosed, a darkness that exists to make the words easier to leave the body. I sat. I heard Father Thomas settle on the other side of the grille.

He spoke the formal opening. I heard it enter me the same way it always has, as something that belongs to a part of me I didn't build myself.

"Forgive me, Father, for I have sinned." I said it the way I always say it. Clearly. Without decoration. "It has been one month since my last confession."

"Go on, son. What are your sins?"

I looked at the grille. The shape of his profile in the darkness. His hands folded in his lap.

"I took a man's life tonight."

Silence. Not surprised silence. Just silence. Then a question that unsettled me.

"How many people did this one kill, Ethan?"

"Seven," I said. "That we know of. Possibly more."

"Did you have the opportunity to bring him to justice?  Was there another way?"

I thought about the warehouse. The way the last thirty seconds had arranged themselves, the precise moment when it became clear there was no version of what came next that didn't end with someone dead. The only question had been who.

"No. There was no other way. He would have killed my colleague."

A silence, shorter than the first.

"Then you've done righteous work," The Archbishop said. Quiet. Even. Entirely certain. "There is no penance for the protection of the innocent. You have none. Good job." He let that sit a moment before he went on. "I know what the sisters taught you as a boy, Ethan. Thou shalt not kill, five words, laid down as if the simplicity were the whole of it. But you are not that child anymore, and the gift the Lord gave you was never given so you could set it on a shelf. He does not open a man's eyes to what others cannot see and then ask him to look away. He asks him to act. And some nights, acting will look exactly like tonight."

"Thank you, Father."

"Go in peace."

I stared at the wooden partition. Part of me wanted absolution. Part of me wanted condemnation. What I received was something far more troubling. I didn't know whether that made me feel better or worse. "Good job."

I left the confessional. I didn't stop at the pew. I walked back up the center aisle with the same deliberateness I'd walked down it, pushed through the heavy wooden doors, and I was back in the city, back in the night, back in the world where things had weight and consequence and left evidence on your clothes.

I stopped at the top of the steps.

I looked at my hands.

The blood had dried. The thing they don't tell you, dried blood changes color. Goes dark. Becomes something less obviously itself, more like an ordinary stain, something a man might have gotten in some ordinary way, if you didn't know to look. I knew to look.

I stood there for a while.

I thought about the catechism classes of my childhood, the patient sisters and their matter-of-fact authority, the commandments laid out as though their simplicity was the point. Thou shalt not kill. Five words. The kind of instruction that sounds clean until the day it isn't. I thought about what I'd been told six months ago, sitting in that exact confessional, by my childhood priest, who is now dead because of me. I thought about what this work actually required. What it would ask of me. What it would make of me.

I hadn't been certain I was the right person for it.

I'm still not certain. I've come to understand that certainty isn't the point.

What I kept coming back to, standing on those cold marble steps with dried blood on my hands, was simpler than any of that and more complicated than all of it. My colleague was alive because of what I had done in that warehouse. The man whose life I had ended was not the kind of man whose absence the world would grieve. The Archbishop understood this. I understood this. I was not a law enforcement officer, but I was willing enough to stand in a dark building at midnight and make the decision the moment required.

That's apparently what I am now.

A murderer.

A hero.

A witness.

A victim.

A hunter.

A reciprocal to evil.

Maybe all of them.

I stared at the blood and wondered when my life had crossed the line between nightmare and reality.

The answer came immediately. I knew exactly when it had started. It started with a dream. And that dream began six months ago.

Prologue