We see a person's body wildly jerking and convulsing from being zapped with electroshock therapy. A man experiences weird, unsettling and frightening hallucinations in a sensory overload isolation chamber. A character hears the cries of another, but then encounters a third believed to be a murderer. As a result, the first person then repeatedly shoots the third. Later used to threaten or seemingly kill people.
Price suddenly steps into the camera shot during a suspenseful scene.
Something suddenly and quickly races toward Melissa. A person suddenly shows up and startles others. A person suddenly grabs another. The film is filled with suspenseful, frightening and ominous music. During a flashback to a patient revolt at the institute, we briefly see a woman's bare breasts.