Female Convict Scorpion

Forced to kill her sister-in-law to save her husband Hei Tai (Dylan Kuo), Matsushima Nami (Mizuno Miki) lands in prison where she shows her inmates who's in charge in sprawling brawls. Left for dead by the cruel prison warden (Lam Suet), Nami is rescued by the mysterious Corpse Collector (Simon Yam), and attains superhuman martial arts skills. She then embarks on a blazing path of revenge against the assassins who destroyed her life. (official distributor synopsis)