Human Experiments (1980)

aka’s: Beyond The Gate/Women In Prison

Country singer Rachel (Linda Haynes) is arrested and charged with murder and placed in prison. Psychiatric sessions are run by the sadistic Dr. Kline (Geoffrey Lewis), whose idea of mental health is to erase the patient’s personality and completely replace it with a new one through brainwashing. Also stars Ellen Travolta and Jackie Coogan from The Addams Family TV series.