 Lon is an assassin who is deformed. The only man he can trust is his brother, Kwan. When Lon kills a police officer, the officer s partner tries to go after him, but lets him go after seeing his face. Meanwhile, Lon falls for Wendy, the girlfriend of Lon s sadistic boss, Dragon. When Lon agrees to kill Dragon for Wendy, it s a setup. After the kill, Lon is hit by a car and plunges into the river. A year passes by. A new man named Michael arrives, working for Wendy. Meanwhile, the partner of the cop Lon killed is still on the case. He notices a resemblance of the new man to Lon. Is Michael the same person as Lon? If so, what is the motive?