Two unlucky thieves break into a just murdered man's hotel room and steal his passport with a hidden microfilm wanted by a triad boss. Two hard kicking women cops from HK and UK get the case.
A vicious gang captures a man who tried to seek vengeance against them. Mistaking the man's friend, successful architect Leung, for his accomplice, they brutally murder Leung's fiancee. Enraged Leung continues his friend's brutal revenge.