Hong Kong police negotiator Lee Chung-Chi has learned that his 16 year old daughter Wing-Chi has disappeared while in Thailand. He travels to Thailand and teams up with Chinese officer Tsui Kit and his partner, Tak, as they face off against American gangster Sacha, who is operating a black market organ smuggling ring. A series of clues lead Chung-Chi to not only learn the fate of his daughter, but overcome the odds to stop the ring once and for all.