A rapist in a fishermans hat and childs Halloween mask is stalking the pretty young girls of Hong Kong. In a scene lifted from John Schlesingers 1990 American Film of the same name, a mother (Angie Cheung) hears her daughter being victimized over her cell phone. This traumatic experience causes Cheungs daughter to take her own life. Shaken and stirred by her loss, mama vows vengeance. She begins some Travis Bickle-esque training and transforms herself into a super sexy, lean, mean, pervert killing machine.