Ever since he was a child, Lee Chi-kin has been determined to become a police officer, despite the fact that he comes from a family of criminals. As an adult, he joins the police force, where he is first placed with the Narcotics Bureau. During a drug raid operation, he catches a drug dealer. He is later transferred, first to the Anti-Porno Bureau where he falls in love with a call girl, then to the Regional Crime Unit where he works under Inspector Chu. During a drug raid operation, Lee kills ...