Simmons, the manager of a seaside hotel in California, has a problem: Guests are turning up dead, and Sgt. Ramsey, the hotel's detective, has no information as to the identity of the murderer. The only thing anybody knows is that the killer wears a strange mask and has a fondness for blonde women. As Ramsey tracks down a list of suspects that includes the hotel handyman, Lisa, the hotel's lounge singer, finds herself in danger.

A nonverbal autistic boy stumbles upon a teenage heiress who has been kidnapped by a trio of young psychopaths, who are intent on extorting diamonds from her stepfather.