THE BILLIONAIRE IN THE WHEELCHAIR WHO TESTED HIS FAMILY WITH POCKET CHANGE

The secret escape tunnel was pitch black, lit only by the faint, emergency LED strips glowing a dim, ominous red along the damp concrete floor. The air inside was thick with the scent of saltwater, ancient mold, and rusting iron. Footsteps echoed wildly behind them as Marcus’s mercenaries poured into the hidden corridor, their heavy combat boots pounding against the stone with terrifying proximity.

Arthur Vance moved with an athletic agility that completely defied his seventy-eight years, pulling Director Sterling along behind him like a runaway freight train. Sterling was sobbing audibly, his expensive Italian shoes slipping on the wet floor as he tripped over his own tailored trousers.

"I can't... I can't breathe!" Sterling gasped, clutching his chest as he stumbled against the cold concrete wall. "Mr. Vance, leave me! Save yourself!"

"Get up, Sterling!" Arthur barked, his voice cutting through the echoing gunfire that pinged off the metal walls behind them. A bullet sparked off the concrete just inches from Sterling’s ear, showering them both in sharp stone chips.

Arthur didn't look back. He gripped the collar of Sterling’s ruined suit jacket with one hand and hoisted the terrified director forward, forcing him into a dead sprint through a low-ceilinged junction.

"Where does this tunnel lead?" Sterling cried out, tears streaming down his face as he ran for his life. "It’s a dead end! We’re running straight into the ocean cliff!"

"It’s not a dead end," Arthur said grimly. "It’s the intake valve for the old family hydroelectric generator. My father built it during the depression to keep the estate powered when the world collapsed."

They rounded a sharp ninety-degree corner, leaving the direct line of fire behind them as the bullets chewed uselessly into the solid granite walls. Ahead of them, the red emergency strip ended abruptly at a massive, circular iron bulkhead door fitted with a heavy ship’s wheel valve in the center.

Arthur lunged forward, letting go of Sterling, and grabbed the heavy brass wheel with both hands. His muscles strained under the immense tension as rusted gears ground together with a piercing screech of metal against metal.

"Help me, Sterling! Now!" Arthur commanded, throwing his entire body weight into the turn.

Sterling, driven by pure animal terror, scrambled forward and threw his hands onto the wheel beside Arthur’s. Together, fueled by desperation, they heaved with every ounce of strength they possessed. The heavy internal locking pins retracted with a loud, satisfying thunk.

Behind them, the beam of a high-powered tactical flashlight cut through the darkness of the tunnel.

"There they are! At the bulkhead!" a mercenary’s voice shouted from down the corridor.

Gunfire erupted once more, slugs ricocheting wildly off the thick iron door inches from Arthur’s shoulder.

"Turn it!" Arthur roared.

With one final, agonizing heave, the heavy bulkhead door spun open, revealing a roaring cavern beyond. Seawater surged violently against the lower half of the opening, churning white foam under the glare of distant moonlight filtering in from a sea cave entrance below the cliffs.

Arthur grabbed Sterling by the belt and shoved him bodily through the open hatchway into the churning water below. Sterling let out a terrified shriek as he plunged into the freezing Atlantic tide.

Before the mercenaries could close the distance, Arthur slipped backward through the hatch, slamming the heavy iron wheel shut behind him and throwing the emergency locking lever into place.

Inside the dark, freezing sea cave, Sterling bobbed to the surface, gasping for air and sputtering saltwater from his mouth. Arthur surfaced right beside him, wiping the dark ocean spray from his weathered face, his eyes burning with cold determination.

"Swim for the cove," Arthur ordered, pointing toward a small, hidden rocky beach fifty yards away where the black Maybach’s headlights flickered faintly through the fog.

Sterling didn't argue. He paddled furiously toward the shore, his expensive suit dragging him down like lead.

Arthur watched him go for a brief second, then turned his head toward the sheer cliff face above them, where Marcus’s angry shouts echoed faintly down through the rocks.