Ex-Convict Janitor and His Heiress

Freshly released from a notorious high-security penitentiary, a fearsome combatant accepts a solemn promise from his late cellmate to safeguard his younger sister. Concealing his lethal martial prowess, he secures employment as a simple cleaning custodian at her traditional training hall.

When an aggressive challenger forces the vulnerable woman into a deadly seven-day combat tournament, her business faces imminent ruin. Abandoning his quiet facade, the disguised guardian steps onto the fighting mat to unleash his astonishing strength against their ruthless enemies.