Young psychiatrist Dr. Martin arrives at Dunsmore Psychiatric Hospital, where he hopes to be hired. The clinic’s chief physician, Dr. Star, has been placed among his former patients due to mental disorder. His assistant, Dr. Rutherford, in order to test the competence of the newcomer, shows Dr. Martin four patients, among whom is Dr. Star. The doctor must listen to them, identify them, and discover the insane chief physician…