Christine Collins is overjoyed when her kidnapped son is brought back home. But when Christine suspects that the boy returned to her isn't her child, the police captain has her committed to an asylum.

A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.

Virginia Cunningham is confused upon finding herself in a mental hospital, with no memory of her arrival at the institution. Tormented by delusions and unable to even recognize her husband, Robert, she is treated by Dr. Mark Kik, who is determined to get to the root of her mental illness. As her treatment progresses, flashbacks depict events in Virginia's life that may have contributed to her instability.

In this thriller, psychiatrist Dr. Cross kills his wife and expects to get away with murder, until he discovers that the slaying was observed by a next-door neighbor, Janet Stewart. As Janet attempts to convince her husband of the doctor's dastardly deed, Cross shows up to advise him that Janet is in dire need of some in-depth counseling.

A private investigator endures the rigors of an insane asylum in order to locate $1 million in stolen loot.

Bob Brown uses his bedside manner to charm his patients while his partner makes the actual diagnoses.