Jack Morretti woke up on a bench in Times Square with the taste of copper in his mouth and fifty years of memories crashing into a seven-year-old brain like a freight train through a glass window.

He remembered everything. The FBI badge. The interrogation rooms. The twenty-five years of reading liars the way other men read newspapers. The undercover operation in '41, the deal that went bad, the car that had "accidentally" T-boned him at the intersection of Broadway and Forty-Second Street. He had been fifty years old, Agent Jack Morretti, and he had been close to exposing something that powerful men wanted to stay hidden.

Then he was seven. Small. Weak. Covered in grime. And standing in the middle of a city that was still figuring out how to be peaceful after four years of war.

Jack stood up and brushed the rain from his trousers, which were too big for him and smelled like something had died in them. He looked at his hands. Small hands. Dirt under the fingernails. No badge. No gun. No authority.

He was a ghost in a child's body, and New York was full of ghosts.

The orphanage was called Saint Mary's, which was ironic because the only thing holy about it was the amount of money Sister Mary Agnes skimmed from the donations. Jack knew this in the way he knew things—by reading people the way he had read suspects for two decades. Sister Mary Agnes was a woman who smiled with her mouth but not with her eyes. She touched children's heads the way a cat touches a bird it was deciding whether to kill.

"You're the new one," she said when Jack walked through the door. She was fifty, thin as a rail, with hair the colour of weak tea and a voice that could sweeten poison. "Name's Jack. Jack Morretti."

"Well, Jack Morretti," Sister Mary Agnes said, "you're home now. We take care of our own at Saint Mary's."

The tone of her voice told Jack everything he needed to know. She did not take care of anyone. She collected them. Orphaned boys were currency in her world—labour, leverage, secrets.

Jack nodded and followed her down a hallway that smelled of boiled cabbage and floor wax. He was assigned a room with six other boys, all of them between six and twelve, all of them sleeping in cots that were arranged in rows like beds in a military barracks. The boy in the cot nearest the door introduced himself as Tommy, age nine, been here two years. The boy in the next cot was silent, which Jack interpreted as either fear or strategy. In his experience, silent boys were usually strategists.

Jack did not sleep that night. He lay in his cot and listened to the sounds of the orphanage—the snores, the coughs, the occasional whimper of a child who dreamed of parents who would never come back. He analysed everything the way he had analysed crime scenes: methodically, objectively, looking for patterns.

Saint Mary's was not an orphanage. It was a fence. And Sister Mary Agnes was the fence runner.

He was sure of it by morning.

The street outside Saint Mary's was run by a man called Slick Riley, who was thirty-something and had the kind of face that was handsome until you looked at it too closely, at which point you noticed the scar that ran from his left eyebrow to his jaw and the eyes that never stopped moving. Slick ran a small operation out of a basement bar on Thirteenth Street—bootleg alcohol, stolen goods, information. During the war, he had supplied black-market cigarettes to soldiers. Now that the war was over, he supplied everything to everyone.

Jack found him on the second day. He walked into the basement bar through the back door, past a kitchen that smelled of grease and regret, into a room filled with smoke and men who looked like they had made bad decisions and knew it.

Slick was sitting at a table in the corner, playing cards with two men who looked like they owed him money. Jack pulled up a chair and sat down.

"I want to work for you," he said.

Slick looked at him. A seven-year-old boy in oversized trousers with wet hair and eyes that were too old for his face. He laughed, but it was the kind of laugh that precedes violence.

"Kid, go home. Your mother's waiting."

"My mother's dead," Jack said. "And I'm not here to play. I want to work."

Slick studied him for a long moment. Then he said, "What can you do?"

"I can read people," Jack said. "I can tell you when someone is lying. I can tell you what they're hiding. I can tell you who they're afraid of."

Slick's eyes narrowed. "Where'd you learn to talk like that?"

"Does it matter?" Jack said.

Slick leaned back in his chair and exhaled smoke through his nose. "You're weird, kid. I like that. You start tomorrow. Six o'clock. Don't be late."

Jack's first assignment was simple: sit in a corner of the bar and watch a man named Tony "The Weasel" Marino. Tony was a small-time gambler who owed Slick forty dollars and had been avoiding him for two weeks. Jack was supposed to tell him when Slick was coming.

Jack sat in the corner and watched Tony Marino. He watched the way Tony's eyes darted to the door every time it opened. The way his left hand trembled slightly when he poured his drink. The way he checked his watch every three minutes.

Tony was not avoiding Slick because he didn't have the money. Tony was avoiding Slick because he had the money but he didn't want to pay it. There was a difference. And Jack knew the difference because he had spent twenty-five years understanding the difference between people who couldn't pay and people who wouldn't.

At eleven o'clock, a man walked into the bar. He was tall, wearing a grey overcoat, with a face that was plain and forgettable in the way that government faces always are. He sat at the bar and ordered a whiskey. He did not look at Jack. But Jack looked at him, and he saw something that made his blood run cold.

The man was FBI.

Not local FBI. Washington FBI. The kind of agent who didn't carry a badge but carried something more dangerous: jurisdiction.

Jack's mind began to assemble the pieces the way a puzzle assembles itself when you've been looking at it for too long. Slick Riley's operation. The stolen goods. The black-market connections. The government agent sitting at the bar. It was all connected. And Jack was seven years old sitting in a corner watching it all happen.

The agent ordered a second whiskey. He turned his head slightly and caught Jack's eye. He did not smile. He did not frown. He simply looked at Jack with the flat, professional gaze of a man who had spent his life looking at things he did not like.

Then he stood up and walked out.

Jack followed him.

The man walked three blocks in the rain, turned left on Forty-Fifth Street, and entered a building that had no sign and no name and no reason to exist. Jack followed him inside, through a lobby that smelled of lemon polish and bureaucracy, into an elevator that went up to the third floor.

The man opened a door and stepped into an office. He turned around and looked at Jack with an expression that was neither surprise nor anger but something closer to resignation.

"You're following me, kid?"

Jack nodded.

The man sighed. "You know who I am?"

Jack studied him. The flat eyes. The government posture. The way he moved with the economy of a man who had been trained to conserve energy. "Agent Cross," Jack said. "FBI. Special Investigations Division. You're here because of Slick Riley. And Slick Riley is working for you."

Agent Cross stared at him for a long time. Then he said, "Where did you learn all that?"

"Does it matter?" Jack said.

It was the same thing Slick had said. The universe had a sense of humour.

Agent Cross pulled a chair out and gestured for Jack to sit. Jack sat. He was seven years old and he was sitting in an FBI office and he was tired in a way that had nothing to do with sleep.

"Let me tell you something, Jack," Agent Cross said. "Slick Riley has been our informant for three years. He gives us information about organized crime, and in exchange, we look the other way when he sells a few bottles of bootleg whiskey. That's the deal. That's how it works."

"But he's using the orphans," Jack said. "Saint Mary's. Sister Mary Agnes. She's feeding him children."

Agent Cross's face did not change. "Children on the street are a problem. If Slick gives them food and a place to stay, that's a service, not a crime."

"It's exploitation," Jack said.

"It's the world," Agent Cross said. "You want to change the world, kid? You start by understanding how it works. Slick Riley is a bad man doing bad things for reasons that make sense to him. I understand him. Understanding him keeps other bad men from doing worse things. That's the job. That's the deal."

Jack looked at Agent Cross and saw the truth behind his words. The government was not corrupt. It was worse. It was pragmatic. It had looked at the mess of post-war America and decided that the most efficient solution was better than the most moral one. And Jack, at seven years old with fifty years of FBI training in his head, understood that Agent Cross was right.

Which made it infinitely worse.

"I have a proposition for you," Agent Cross said. "You come work for me. Not Slick. Me. You have a gift, kid. A real gift. Wasted on basement bars and gambling dens. I can give you a future."

Jack thought about it. He could go to work for the FBI. He could use his abilities the way they were meant to be used. He could expose the truth. He could be a good man in a system that rewarded good men, as long as they were pragmatic about it.

Or he could walk out into the rain and disappear into a city that had already swallowed a thousand boys like him and never noticed.

He chose the rain.

"I'm not going to work for you," Jack said.

Agent Cross nodded, as if he had expected this. "You'll change your mind. They always do."

Jack walked out into the rain. It was colder than he remembered, which meant he was remembering it wrong. Or maybe he was remembering a different rain, a different city, a different life.

He walked back to Saint Mary's through streets that glowed with neon and despair. He was seven years old and he had just turned down a job with the FBI and walked away from the truth about Slick Riley and Agent Cross and the government operation that was bigger than any of them.

He was not a hero. He was a child in a man's mind, and the world was too big and too old for a child to fix.

But he was alive. And he was seven years old. And tomorrow, he would find a way to survive.

That was enough. That had to be enough.