James, an unscrupulous director, and George are the joint owners of a film studio. One morning, the corpse of a messenger boy is found by a cleaning lady, but the identity of the youth's killer remains a mystery. Gloria, a stunning actress who is seeing George, rejects unwelcome advances from James. Determined to get the attractive actress into bed, James reveals that he has video footage which shows her killing the messenger. It emerges that she murdered the young man after he tried to sexually assault her. However, there is a twist...