Yau, Yeung, and Wong are professionals who steal expensive cars, using technology so advanced that even the police cannot get any clues. A covert detective, Raymond, is assigned to investigate the case. He successfully wins the trust of Yau and also falls in love with his sister. Yau, Yeung and Wong have a conflict of interest, and as a result, their latest operation fails after police close in. During the raid, Raymond makes a terrible mistake...

A rough and tough cop, Dee (Danny Lee), is about to wrap up a case when part of the group he's investigating is slaughtered. The killings turn out to be the work of a mysterious assassin; when Dee digs around to find out the killer's identity, he's shocked at what he discovers.