My Cheating Fiancé Locked Me In His Boss's Wine Cellar To Die—He Didn't Know The Stranger I Texted Was The Dangerous Billionaire Who Owned The Mansion!

Peace in the gilded tower, however, was short-lived.

By the third day of Rebecca’s stay at the penthouse, the legal walls were closing in on Daniel Mercer’s conspirators. The Cook County District Attorney’s office, backed by Gabriel’s undeniable forensic evidence, issued twelve grand jury indictments against high-ranking executives and shell-company managers linked to Daniel's money-laundering pipeline.

Daniel, sitting in a solitary holding cell under federal surveillance, was facing fifty years without the possibility of parole. But a cornered rat with nothing left to lose is always the most dangerous.

It happened on a rainy Thursday evening.

Gabriel had been called away to an emergency board meeting at the Moretti corporate headquarters four blocks away. He had doubled the security detail on Rebecca’s floor, leaving Adrien Cole in direct command of the penthouse perimeter.

Rebecca was sitting in the library, attempting to read a novel, when the building’s power abruptly died.

The dazzling chandeliers went black. The hum of the climate control ceased instantly, plunging the entire floor into pitch darkness save for the dim ambient glow of the Chicago streetlights filtering through the rain-streaked windows seventy stories up.

A high-pitched tone sounded from the hallway—the emergency override siren.

Adrien Cole burst into the library with his sidearm drawn, night-vision optics glowing green against his temple. ""Miss Foster! Move to the panic vault immediately! We have a hard breach on the sub-level utility elevator!""

""What about my aunt?"" Rebecca gasped, her heart leaping into her throat.

""My men are securing Mrs. Vance right now. Move!""

Before Rebecca could cross the threshold into the corridor, the heavy blast doors of the private elevator lobby hissed open. A smoke grenade bounced across the marble floor, hissing violently as thick, chemical fog filled the space.

Gunfire erupted—sharp, suppressed cracks that echoed through the luxurious penthouse. Adrien returned fire instantly, pushing Rebecca behind the cover of the heavy mahogany desk.

""Albanians,"" Adrien muttered through gritted teeth into his tactical comms. ""They're trying to extract Mercer’s mistress or eliminate the chief witness before tomorrow’s deposition! Team Two, suppress the east stairwell!""

Through the smoke, three armed men in black tactical gear advanced with ruthless precision. One of them leveled a high-powered shotgun at Adrien, firing a deafening blast that shattered the mahogany display cabinets into thousands of flying shards. Adrien took a pellet to his shoulder, grunting in agony as he fell back, emptying his magazine into the lead assailant.

Rebecca scrambled backward across the floor, her hands slicing against broken glass.

Suddenly, a heavy, gloved hand grabbed her by the collar of her sweater, yanking her violently to her feet. She looked up into the feral, scarred face of a mercenary who smelled of cheap tobacco and cordite.

""The boss wants the girl dead,"" the man snarled in a thick Eastern European accent, raising a combat knife toward her throat. ""No witness, no case against Daniel's offshore partners.""

Rebecca didn't freeze this time. The terror that had paralyzed her in the cellar was gone, replaced by a surge of pure, defiant survival instinct. She grabbed a heavy bronze bookend from the shattered desk beside her and smashed it with all her strength against the side of the mercenary's head.

The man howled in pain, stumbling backward and dropping his blade.

""Run, Miss Foster!"" Adrien yelled, struggling to raise his weapon with his uninjured arm.

Rebecca bolted through the side corridor leading toward the outdoor terrace. The rain was pouring down in sheets, whipping across the open sky deck as thunder cracked violently above the city. She locked the glass terrace door behind her, but she knew the reinforced glass wouldn't hold against high-caliber ammunition.

She was trapped on an open balcony seventy floors above the abyss, with the rain soaking through her clothes and armed killers battering against the glass.

The heavy glass door cracked under the impact of a steel boot. The mercenary, blood streaming down his temple from Rebecca's blow, stepped out onto the wet terrace, his teeth bared in a sadistic grin.