He Li, a famous dancer, falls in love with Wu Shi, a scientist. Li Beihai, who has been occupying He Li, wants to beat Wu Shi to death after discovering their relationship. He Li is injured and dies while trying to save Wu Shi. Doctor Zhao Gui and his assistant Guan Feng steal He Li's body. After experiments, they revive He Li and turn her into a mindless killing tool. Zhao Gui wants to steal the antitoxin developed by Wu Shi, so He Li calls Wu Shi and wants to kill Wu Shi after getting the formula. Due to a series of cases of stolen bodies, detective He Bin and his assistant Watson begin to investigate the case and discover a secret tunnel and many bodies. The sinister Zhao Gui uses a mechanism to lure them into his room, and a fierce fight breaks out...