The first thing my daughter did when she met the most dangerous dog in Vincent Hale’s house was put her tiny hand between his teeth.

The peace lasted exactly twelve hours.

By eight o’clock that night, the rain had turned into a nor’easter. The wind screamed through the oak trees around the estate, ripping branches from trunks and hurling them against the perimeter fences. The sound of the surf crashing against the rocky cliffs below the property was a constant, deafening roar.

At nine-fifteen, the power went out.

The estate didn't just lose lights; the emergency backup generators in the sub-basement failed simultaneously—an impossibility unless someone had drained the diesel reservoirs from the inside.

The emergency red battery lanterns clicked on along the baseboards, casting long, bloody shadows down the endless hallways.

I was in the east wing library reading Lucy a story by candlelight when Grimm suddenly bolted to his feet.

His ears weren't just up; they were pinned flat against his skull. The fur along his spine stood six inches tall. He faced the heavy oak double doors leading to the grand gallery, his nostrils flaring, drawing in the draft coming beneath the jamb.

"Grimm?" I whispered, setting the book down. "What is it?"

The dog let out a sound I had never heard from him: a high-pitched, agonized whimper, followed instantly by a snarl that rattled the windowpanes.

*KABOOM.*

The heavy blast came from the south wing—not a gunshot, but a breaching charge. The entire floor beneath my feet shuddered. Smoke began to curl beneath the library doors within seconds, carrying the bitter chemical stink of thermite and tear gas.

"Mama!" Lucy screamed, scrambling off the sofa and grabbing my sweater.

"Stay down!" I shoved Lucy beneath the massive mahogany desk, throwing a heavy wool blanket over her. "Stay under here, Lucy! Do not make a sound! Do not come out unless I tell you!"

The library doors burst inward with a splintering crash.

Two men in black tactical gear, helmets, and night-vision goggles swept into the room, their suppressed submachine guns raised. They weren't Moretti’s men. Their shoulder patches bore the insignia of a private security contractor out of Boston—mercenaries.

Grimm didn't bark. He didn't warn.

He lunged through the smoke like a missile.

He hit the first man before the operator could clear the doorframe, biting through the tactical vest, crushing the man’s collarbone with a sickening crunch. The second mercenary swung his rifle barrel toward the dog, but I didn't think. I didn't hesitate.

I grabbed the heavy bronze desk lamp from the table and hurled it with every ounce of strength I had.

The heavy metal base struck the side of the mercenary's helmet, throwing his aim off just as he pulled the trigger. A burst of suppressed rounds chewed into the bookshelves behind me, shredding leather-bound encyclopedias into confetti.

Grimm whipped around, ripping the rifle from the second man’s hands with his teeth, throwing his massive weight into the mercenary’s chest, pinning him to the marble hearth.

"Claire!"

Vincent appeared in the doorway like an apparition of death.

He was holding an automatic shotgun, his face blackened with soot, his shirt torn open. Behind him, Marcus was firing down the smoke-filled gallery, brass shell casings clattering across the floor.

"They breached the lower gates!" Vincent shouted over the sound of gunfire. "It’s Nolan’s offshore syndicate—he had an insurance policy with a private militia in case the hit failed!"

"Nolan?" I cried, pulling Lucy from beneath the desk into my arms. "You said he was in the basement!"

"He had inside help!" Vincent’s eyes were wild, feral with adrenaline. "Two of my own lieutenants turned. They blew the armory and cut the comms. We have to move. Now!"

We ran down the burning gallery.

The air was thick with blinding gray smoke. The grandfather clocks had been smashed; paintings of Vincent’s ancestors were slashed and burning on the walls. Grimm ran ahead of us, clearing corners, his jaws slick with blood, leading us toward the underground tunnels that led to the private docks below the cliffs.

We reached the heavy steel blast door at the end of the wine cellar.

"The boat is tied to the lower slip," Vincent yelled, punching a seven-digit code into the electronic keypad, which was running on auxiliary battery power. "Marcus, take Claire and Lucy. Get them across the Sound to the safehouse in Montauk."

"Vincent, no!" I grabbed his arm, feeling the iron muscle beneath his soot-stained sleeve. "You’re coming with us!"

"I can't," he said, turning to look at me in the dim red emergency light. His eyes were completely clear, completely stripped of fear. "If I board that boat, they will track the beacon. They have a chopper inbound from Rhode Island. I have to stay here and trigger the scuttle sequence on the estate’s main transformers. It will blind their thermal imaging."

"You’ll die here!" I sobbed, tears cutting tracks through the ash on my cheeks.

"I died four years ago, Claire," he said gently, cupping my cheek with his bloody palm. "Your daughter gave me three days of living again. That’s more than I deserved."

He leaned down and kissed me.

It was hard, desperate, and tasted of salt, iron, and smoke. It was the kiss of a man standing on the edge of the world, giving everything he had left into one final breath.

When he pulled away, he looked down at Grimm.

"Bear," Vincent commanded, his voice breaking. "Take care of them. Protect the girl."

The dog looked at Vincent. For three long seconds, the Cane Corso and the mob boss shared a silent, unbreakable understanding. The dog whined once, leaned his massive body against Vincent’s thighs, and then turned toward the dark stairs leading down to the water.

"Go!" Vincent roared, turning back toward the smoke with his shotgun raised.

Marcus shoved me through the steel door. "Move, Miss Callahan! Move!"

The steel door slammed shut behind us, cutting off the sound of Vincent’s gunfire.

We stumbled down the wet, slippery concrete steps toward the subterranean boathouse. The roar of the Atlantic ocean below grew louder with every step, the cold salt spray blasting through the ventilation grates.

We reached the concrete platform. A forty-foot enclosed twin-engine launch bobbed violently in the dark, churning water of the cavern.

"Get in!" Marcus ordered, helping me down into the rocking cabin with Lucy clutched to my chest.

Grimm jumped down beside us, his wet paws sliding on the fiberglass deck.

Marcus was reaching for the ignition keys when a voice drifted down from the catwalk above the water slip.

"Leaving so soon, brother’s whore?"

I froze.

Standing on the iron catwalk, illuminated by a handheld tactical spotlight, was Nolan Hale.

His face was bandaged where Grimm had mauled him, his arm in a sling, but his right hand held a military-grade detonator with a glowing red LED light. Beside him stood four armed mercenaries, their rifles aimed directly down into the boat’s cockpit.

"Nolan," Marcus spat, drawing his sidearm.

A single shot rang out from the catwalk. Marcus crumpled to the deck, a bullet through his shoulder, his gun clattering into the black water below.

"Don't bother, Marcus," Nolan sneered, walking slowly down the iron stairs toward the dock. "The whole estate is wired. Vincent thinks he’s running to the transformer room, but my men already locked the bulkheads from the outside. In two minutes, this entire cliffside is going into the ocean."

Nolan stepped onto the wooden dock, his eyes burning with venomous, psychotic glee as he looked at Lucy and me.

"Vincent took everything from me," Nolan hissed, pointing the detonator at us. "My respect. My syndicate. Even that damn dog. I’m going to make him watch from the security cameras while I blow this launch into matchsticks."

Lucy started to cry, her tiny hands clutching my neck so tight I could barely breathe.

I stood up, shielding her, stepping out of the cabin onto the rear deck. "Take me, Nolan. Let the child go. She’s six years old. She doesn't know anything about your empire."

"She knows too much," Nolan spat. "She knows Elena’s name."

Grimm stepped up beside me.

The dog didn't make a sound. His body was low, his head down, his milky eye locked onto Nolan’s throat.

Nolan laughed—a high, broken, hysterical sound. "What’s the matter, Bear? Going to jump? It’s fifteen feet of open water. You’ll drown just like Elena did."

Lucy peeked out from behind my shoulder.

She looked at the dog. Then she looked at Nolan.

In a voice that was terrifyingly calm, carrying over the roar of the ocean surge, my six-year-old daughter spoke.