A serial killer is loose in Palm City and the police are without a clue. The city's first female detective, Lisa Ryder, is assigned to the case to uncover the baffling mystery. Beautiful prostitutes are being paid to play but now the game has turned to MURDER. One by one they are stalked and brutally slain by a masked murderer the cops call "Zipperface." As the victims of the killer's rampage mount, Detective Ryder must go undercover to catch this madman... only to discover she has become Zipperface's ULTIMATE FANTASY.