The story is of a deaf-mute hitman and his partner who are based in Bangkok. He is friends with his partner's girlfriend who is a stripper at a local club. They go about their assassination business as usual as the boss climbs the underworld ladder and forms new alliances. Flashbacks explain how he got to this point in his life. He forms a relationship with a young woman from the pharmacy who is caring and innocent. The hunts continue as treachery begins. A big name hit makes him realize that good people are hurt by his actions. The first rule of assassination closes in on him as he strikes revenge.