MAFIA BOSS ORDERED HIS MEN TO BRING BACK THE WOMAN HE LOVED—BUT WHEN HE LEARNED SHE HAD BEEN TAKEN FROM HER STUDIO AND HER PHONE WAS FOUND SHATTERED, THE MOST FEARED MAN IN MANHATTAN FINALLY BROKE DOWN.

Meline had been thirteen when her father died. For sixteen years, she had carried a final image of him lifting her onto his shoulders so she could see a fireworks display over the East River. She had never seen a photograph of Arthur standing with Rosa Rossi, whose portrait now hung in Gabriel's study.

In Sullivan's picture, they stood in a narrow corridor lined with unframed canvases. Arthur wore a work apron. Rosa had rolled up the sleeves of a silk blouse. Between them sat a girl of perhaps eight, her face turned away from the camera.

"Who is the child?" Meline asked.

Sullivan smiled. "You'll have to be more specific. Your father met many children in those days."

"What days?"

"The years when your father believed he could save people by hiding messages inside works of art."

Meline didn't blink. She could feel her heart racing against her bruised ribs.

The envelope she'd removed from Rosa's frame had contained two pieces of paper. One was a note in a delicate, slanted hand. The other was a torn receipt for storage at Pier Seventeen, dated thirteen days before the fire that killed her father and Rosa Rossi.

The note read: Arthur, if they find the second canvas before us, they will erase every name. Keep the blue hour safe until we can bring the families home. Tell Thomas I am sorry we made him carry the key. R.

At the bottom was a tiny charcoal sketch: a heron with one wing raised.

Meline had kept the note because she wanted to know why her father's name was on it. She had kept the receipt because the storage company's signature looked like the one on a report connected to her father's death. She had not yet told Gabriel because the Rossi name appeared in the same file that claimed the fire was accidental. After sixteen years of unanswered questions, she'd wanted one independent opinion before giving the documents to a man who could make them disappear.

"Where is the envelope?" Sullivan asked.

"Somewhere safe."

His smile vanished. "That sounds like your father."

"You knew him?"

"Everyone knew Arthur Foster once he decided a warehouse could become a moral crusade."

"He restored paintings."

"He also asked questions about containers that arrived empty and left full, and children who appeared on ledgers under numbers instead of names. He was a very talented man who forgot that talent is not protection."

Meline stared at him. "You killed him."

"I didn't light the fire."

It was too careful an answer.

"Who did?"

Sullivan turned the photograph facedown. "You can still save your brother. Thomas knows where the second canvas is, and so do you."

"I have never seen a second canvas."

"You may not know its title. But I believe you've seen its condition report. Artists are sentimental. They repeat themselves."

He left, and Meline felt the room narrow around her. The girl in the photograph. The cargo records. The fire. Her brother's sudden debts. A thread ran through them, but she couldn't yet tell where it began.

She considered calling out that she knew nothing. Instead, she worked the wooden stick against the cord behind her back until it splintered. Pain flashed through her wrists. One strand of rope gave way.

On the other side of the city, Cruz sat at Meline's studio desk, examining the records with the permission of her assistant, June Park.

"She's extremely particular," June said. "She labels everything. If a paper went missing, she'd notice before the person who took it reached the stairs."

"Did she tell you about an envelope in Rossi's portrait?"

June looked from Cruz to Gabriel, who stood near the doorway. "She said something in that frame had survived a fire and deserved more than a glance. She was going to consult an archivist. That's all."

Gabriel looked at the restoration report. On the final page, Meline had written in her tidy hand: Backboard removed and retained. Enclosed historical material segregated for independent documentation pending owner consultation.

He closed his eyes. She had not concealed the discovery. She had documented the decision to investigate it properly. He had been too busy trying not to fall in love with her to notice that she was warning him about his own family's history.

"Does the name Heron Atlantic mean anything?" June asked suddenly.

Cruz turned. "Why?"

"A driver tried to deliver a shipment here two months ago. Wrong address. Meline photographed the paperwork because she thought somebody had used our studio to route goods without declaring them. She said it was either sloppiness or something serious."

June searched a computer folder. A photograph appeared on the screen: BLUE HERON STORAGE, Pier Seventeen, with a handwritten routing mark in the margin. The driver had signed D. Pike.

Leo leaned closer. "Denny Pike. Sullivan uses him for collections."

"Send this to the detectives," Cruz said. "And pull lawful camera footage around Pier Seventeen. Don't send a convoy because somebody in a file has the same first initial."

Gabriel took the instruction without argument.

A text arrived on Leo's phone from one of his contacts: Thomas Foster last seen at a gambling room near Canal Street, two evenings earlier. Not Montreal. Another photograph showed Thomas entering a delivery truck outside the same building. The truck bore the Heron Atlantic emblem.

"He's not running," Leo said. "Or not where we thought."

Gabriel felt a flash of anger that found an easy target. "Her brother got her taken."

"Maybe," Cruz said. "Or somebody wanted you to believe that."

She examined the old photograph of Rosa and Arthur that Gabriel had shown her. Rosa's expression was unguarded; Arthur was smiling at something beyond the camera. The little girl stood between them with a plaid coat clutched around her shoulders.

Cruz pointed to the background. "That corridor isn't a gallery. See the painted fire door? Institutional hardware. They were probably visiting a shelter or clinic. Find the building."

Gabriel recognized a fragment of his mother's handwriting on the rear: Blue Hour, March 2010. He had dismissed her charity work as an uncomfortable hobby when he'd been young. His father had called it an embarrassment. His mother had told them both that it was better to embarrass a family than fail somebody who needed a door kept open.

He heard her voice so clearly that he had to look away.

Meanwhile, Meline had worked one hand free. The tape left angry red marks on her skin. She resisted the urge to pull the remaining rope apart immediately. If Sullivan found her untied before she had a route out, he'd simply bind her more tightly.

Denny returned with a battery-powered work light and a flat black case. Inside was a small painting: a harbor at dusk, blue water darkening into violet, cranes silhouetted against the last streak of daylight. The signature in the corner read R. Rossi.

Meline caught her breath. It was unmistakably in Rosa's hand—at least on the surface.

"Boss wants you to tell him whether it's real," Denny said.

"He could have asked me in my studio."

"He wants the answer here."

"Then I need a magnifier."

Denny hesitated, then opened a drawer of art supplies and set a loupe on the table. "No tricks."

Meline bent over the painting, slowly turning it beneath the light. The blue sky held age cracks that curved around the black silhouettes. The lower right corner, however, was covered by a recent varnish. Beneath the R in Rossi, under the varnish, she saw two tiny lines running in opposite directions: a crosshatched mark her father used to indicate a repair he'd left unfinished.

She had seen that mark hundreds of times in his notebooks. He called it the little ladder home. It was not a signature. It meant there was another layer underneath.

Her throat tightened.

"This isn't the finished painting," she said.

Denny frowned. "What does that mean?"

"It means somebody painted over something they weren't supposed to cover."

He reached for his radio. Meline spoke quickly. "If you want a real answer, leave the light. I have to examine the reverse."

He withdrew the painting and called Sullivan, who arrived with more irritation than composure.

"Your brother says this canvas will ruin me," he said. "You are going to tell me whether he's lying."

"I can tell you the surface has been altered," Meline replied. "That's all I can prove tonight."

"Then prove more."

He ordered Denny to loosen her other wrist and put both men at the door. He placed a small plastic tray of swabs before her. Meline examined each and identified a jar of solvent. The label had been peeled away. She smelled it from a distance and shook her head.

"That would destroy evidence," she said. "You don't need a conservator for that. You need an arsonist."

Something moved through Sullivan's expression. Recognition, perhaps, or fear.

"Your father said almost the same thing," he whispered.

Outside, a low siren passed on the road. Denny glanced at the window. Sullivan checked his phone. In that small interruption, Meline made her choice.

She slipped the blue-stained thread she'd wrapped around the mixing stick into the narrow gap between the painting's stretcher and frame. Whoever carried the canvas next would carry her clue as well.

Then she looked at Sullivan and asked the question she'd been afraid to ask since thirteen.

"When my father died, did you know there were children inside that building?"