A bright-eyed young actress travels to Hollywood, only to be ensnared in a dark conspiracy involving a woman who was nearly murdered, and now has amnesia because of a car crash. Eventually, both women are pulled into a psychotic illusion involving a dangerous blue box, a director named Adam Kesher, and the mysterious night club Silencio.
Blonde Betty Elms has only just arrived in Hollywood to become a movie star when she meets an enigmatic brunette with amnesia. Meanwhile, as the two set off to solve the second woman's identity, filmmaker Adam Kesher runs into ominous trouble while casting his latest project.
Psychiatrist Sam Foster has a new patient, Henry Letham, who claims to be suicidal. In trying to diagnose him, Sam visits Henry's prior therapist and also finds Henry's mother -- even though Henry has said that he murdered both of his parents. As reality starts to contradict fact, Sam spirals into an unstable mental state. Then he finds a clue as to how and when Henry may try to kill himself, and races to try to stop him.