Cindy, an American FBI agent, travels to Hong Kong to investigate a newspaper editor, Ronny Dak, who is suspected of printing counterfeit money using the newspaper’s presses. The American teams up with a rival reporter and her friend Yu, an undercover law enforcer. Cindy’s investigation takes a sharp turn, however, when Yu’s father, the prosecuting lawyer in the counterfeiting case, is kidnapped.

When Dr. Yuen attempts to rescue a girl about to be sacrificed by the Worm Tribe in the middle of a jungle in Thailand, he is damned with seven deadly "blood curses" and must return there to find a permanent cure.