The rain had been falling since noon, a cold Manhattan drizzle that turned the streets into rivers of reflected neon and the sidewalks into mirrors of shattered light. Jack O'Brien wiped his windshield with a rag that had seen better decades and thought about the war, which he did when the rain got inside him like this, when it seeped through the cracks in the cab and made his left shoulder ache where the fragment had buried itself in his deltoid.

He was three hours into his shift and already tired in the way that sleep wouldn't fix. The kind of tired that came from driving through a city that never slept and never cared if you did.

Then he saw her.

She was running down Sixth Avenue, heels clicking against the wet pavement, and behind her came two men in dark suits moving with the kind of purpose that told you they had somewhere to be and someone to catch. She was beautiful in the way that beautiful women in cities always are—sharp eyes, sharp cheekbones, sharp enough to cut glass.

Jack didn't do heroics. He'd learned that in Korea and reinforced it every day since he'd come back and found himself driving a cab instead of leading men into battle. But something in the way she looked at him when she saw the cab—something desperate and calculating all at once—made him pull over.

"Get in," he said, and she did.

The two men were twenty yards back and closing fast. Jack put the cab in gear and drove.

She sat in the back, breathing hard, her eyes scanning the street behind them like she was looking for an exit that wasn't there. Jack caught her reflection in the rearview mirror—pretty face, expensive clothes, and something else. Something that didn't fit.

"Who were they?" he asked.

She looked at him for a long moment. "Does it matter?"

"It matters if they're going to catch us."

She closed her eyes. "They're not police."

"Good or bad?"

That made her laugh, a short sharp sound that had no humor in it. "Does it matter?"

Jack didn't answer. He drove past Times Square, past the neon and the noise, into the narrower streets of the Lower East Side where the rain fell harder and the streetlights were fewer. He needed to think, and he couldn't think with her in the back breathing like a hunted animal.

"Get out," he said, pulling up beside another cab at a red light. The driver of the other cab was a big Irishman with a face like a fist and a name tag that read SULLIVAN.

Jack rolled down his window. "Mike, I need to borrow a light."

Mike Sullivan looked at him, looked at the rain, looked at the two men who were now running down the street in the opposite direction, and something passed between them like a current. Mike nodded once, reached into his pocket, pulled out a pack of cigarettes, lit one, and held it up.

Jack took the cigarette, lit it, and rolled up his window.

Three blocks later, a police car pulled up beside them. Detective Russo got out, a heavy man with heavy eyes and a badge that meant more to him than the law.

"Everything alright here, boys?"

Jack looked at Mike through the window. Mike was staring straight ahead, his face an unreadable mask.

"Fine," Jack said. "Just giving a lady a ride."

Russo looked in the back seat. She was gone. Vanished. Jack wondered if she had a second name, a second life, a second face. He would never know.

Russo smiled, a thin cold smile. "You boys be careful out here. Lots of trouble in the rain."

He got back in his car and drove away, and Jack understood then that Russo knew exactly what was happening and didn't care, because what was happening served him.

The cigarette burned down to his fingers. He dropped it on the wet pavement and watched it die.

He drove for an hour without purpose, through neighborhoods he didn't know, past bars where the music thumped through open doors and the rain fell harder. He thought about the woman—her name, her face, the look in her eyes when she said they weren't police. He thought about Mike, who had understood the signal without asking questions, who had lit the cigarette and passed it back and created a chain of communication that existed only in that moment between two men who knew how the world worked.

He thought about the cigarette burning down to his fingers and the rain falling on the windshield and the city stretching out in every direction, vast and indifferent and full of people who would help you if it cost them nothing and hurt them everything.

By morning, the papers reported that a woman matching her description had been found in a hotel room in Chinatown, alive but shaken. No mention of the two men. No mention of Detective Russo. No mention of the cigarette passed between two cabs in the rain.

Jack read the article in the cab, parked outside his tiny apartment in Queens, and felt nothing. Not pride. Not regret. Just the rain on the windshield and the ache in his shoulder and the knowledge that somewhere in this city, two men were using a signal he had never heard of, and that was enough.

He turned off the engine and sat in the silence, listening to the rain, and thought about the next shift, and the next, and the next, until the rain stopped and the sun came up and the city began to move again.