Leo completes a five-year sentence inside the world's most brutal maximum-security penitentiary, revered by hardened inmates as the unchallenged Prison King. Bound by a deathbed promise to his venerable martial arts mentor, Leo travels to Manhattan bearing a jade signet ring to protect the Sawyer family conglomerate. He arrives just as rival syndicates target the Sawyers' groundbreaking nanotech research.
Facing poison ambushes, corrupt corporate relatives, and foreign mercenary hit squads, Leo uses unmatched tactical combat skills to neutralize every threat targeting young CEO Natalie Sawyer. But as the insidious Orochi Syndicate mobilizes an army of assassins to conquer New York's elite dynasties, Leo must unleash his full, terrifying authority to keep his vow.
