A mysterious martial artist is killing martial arts masters with his unique style, Tiger Claw. Two police detectives, who are also martial arts experts, use unorthodox methods to track down the serial killer.

The military has been testing a new Virtual Reality fighting simulator, but testing is abruptly canceled when a soldier loses his life during the action. Its creator, Dr. Vincent MacIntyre, goes underground to continue developing the device, until detective Justin Blake and his partner Stone break into the syndicate to stop them. However, they are too late, and the new simulator is even deadlier than the first!