A six-year-old girl is cleaning a Boston mafia boss's private study at two in the morning, her baby sister strapped to her back with a housekeeper's shawl. She is terrified of one thing: that if she does not finish the room, her mother will lose the only job keeping them off the street. What she does not know is that Roman Duca — the most feared man in Boston — is standing silently in the doorway, watching her. Then she stops. She tilts her head toward the library wall, listening for something no adult in that house has heard in eleven years, and asks him a question that will tear his family open from the inside.

By 3:15 AM, the study had been transformed into a field hospital and tactical command center.

Grace Harper lay on the leather sofa, an IV line inserted into her arm by Dominic’s private combat medic. The poison Vance had administered was being neutralized by a broad-spectrum antivenom and fluid flush. Beside her, sitting on a small wooden footstool, was Mia. The little girl refused to leave her mother's side, holding Grace's limp hand while her baby sister finally woke up, softly whimpering for food.

In the corner of the room, Elena sat in Roman's high-backed leather desk chair, wrapped in wool blankets, sipping hot chicken broth from a mug. Her eyes were fixed on the floor, still adapting to the light of the room.

Roman stood by the window, staring out at the thick white fog rolling over the iron fence outside.

Dominic approached him softly. "Grace is going to live, Roman. The medic says she took less than a quarter of the syringe. If the kid hadn't heard you coming... Grace would have been dead in ten minutes."

Roman didn't look back. "And Victor Vance?"

"His body is in the trunk of a sedan at the bottom of the Mystic River," Dominic reported low. "Nobody saw us move him."

Roman turned around slowly. He looked at Mia, who was carefully warming a bottle of milk in a bowl of warm water that the medic had brought up from the kitchen.

"Mia," Roman called softly.

The six-year-old looked up, her face pale but composed.

"Come here," he said.

Mia set the bottle down, checked her sister in the shawl, and walked across the Persian rug until she stood in front of the mafia boss.

Roman crouched down so he was level with her eyes once again. "You saved your mother's life tonight, Mia. And you saved my sister."

Mia looked past his shoulder at Elena, then back at Roman. "Is she going to stay in the room now?"

"She is never going back into that wall," Roman promised. "And neither you nor your mother will ever have to worry about a place to live again. You have my word as a Duca."

Mia’s chin trembled slightly, but she nodded once, accepting the promise with a gravity far beyond her years.

"Now I need you to tell me something," Roman continued, his tone turning focused. "Before tonight... who else came into this room when your mother was working?"

Mia thought for a moment, her brow furrowing. "The doctor came two times last week. He had a black bag."

"Anyone else?"

"The man with the silver ring," Mia said simply. "The one who smells like cigars and peppermint."

Roman's jaw tightened until the bone threatened to snap through his skin.

Dominic caught Roman’s eye and let out a soft curse. "Uncle Silas."

Silas Duca. Roman's uncle, the elder consigliere of the family, and the only man besides his late father who held a key to the estate's private offshore accounts. Silas had been Anthony Duca’s right hand for forty years.

"Silas knew," Roman murmured, his voice dropping into a deadly register. "My father died three years ago. Victor Vance didn't keep Elena locked in that wall for three years after my father's death out of loyalty to a dead man. He did it because Silas was paying him."

"Why?" Dominic asked, shaking his head in disbelief. "Why keep her alive? If Silas wanted her dead, why not just kill her?"

Elena’s soft, hoarse voice broke through the conversation from the desk chair.

"The Duca trust," Elena whispered, her fingers clutching the porcelain mug. "Father’s will... it had a clause. If I died without an heir... seventy percent of the family’s real estate holdings in Boston and Chicago were to be liquidated and donated to the Vatican foundation. Father was terrified of going to hell..."

Roman's eyes narrowed as the horrific financial puzzle assembled itself in his mind.

"If you were dead," Roman realized aloud, "the money vanished into the Church. But if you were missing... or 'alive' on paper... the trust stayed intact, locked in probate, controlled by the executor."

"And Silas is the sole executor of the Duca trust," Dominic finished, his face turning dark with fury. "That bastard has been siphonin' millions off your father's estate for eleven years, using Elena as his legal ghost!"

"And Grace stumbled onto it," Roman said, glancing at the sleeping housekeeper. "Grace was cleaning the study, noticed the seam behind the bookcase, or heard Elena... and mentioned it to Vance or Silas."

"Which meant Grace had to die," Dominic said.

Roman stood up, smoothing down his vest. The fog outside was beginning to lighten with the pale, sickly gray of approaching dawn.

"Where is Silas right now?" Roman asked.

"He's at his brownstone in Back Bay," Dominic replied. "He called a meeting of the capos for six o'clock this morning at the North End club. He claims he got a tip that the Providence crews are moving on our shipping lines."

"He called the meeting to create an alibi," Roman said coldly. "He expected Vance to finish Grace tonight, frame her death as an accidental overdose or sudden heart attack, and then blame the stress on the estate."

Roman walked over to his desk, opened the bottom drawer, and pulled out a heavy steel case. He unlocked it, revealing two customized gold-plated Colt .45 pistols that had belonged to his grandfather—the originals worn by the men who built the Duca name in Boston.

He loaded both magazines with sharp, rhythmic clicks.

"Dominic," Roman ordered.

"Boss?"

"Call every capo in the city. Tell them the six o'clock meeting is moved. It's happening right here, in my study, at five AM."