The Hong Kong Police Station is plagued with vampires and police officials fear there are more out in the city, threatening mankind. Therefore, the Superintendent recruit several police officers to join his "Ghostbusters" unit. They are sent to a military base for training, where it is also infested with vampire activity. While the new recruits undergo training, veteran "Ghostbuster" unit member Man-Chill (Ricky Hui) stumbles two coffins in a remote area within the base, the hideout of two fierce, female vampires.