| While attempting to run away from the Ravenscroft Reform School, a teenage girl is shockingly caught and dragged away to an unknown fate by an unseen assailant.
The next day a young science teacher, Janet (Karen Witter) arrives to start her new job. She has been drawn to Ravenscroft by its idealistic and charismatic director Gary (Robert Vaughn).
Janet soon begins having strange hallucinations of someone trapped behind a brick wall, trying desperately to get out. She turns for help to the school psychologist, Dr Schaeffer (Donald Pleasence). He assures her that her imagination is just a little over-active.
Janet befriends one of the girls, Fingers (Nia Long), who tells her about the parties in the basement. When two more girls 'run away', Janet explores the basement and has a terrifying hallucination of an old man Jacob (John Carradine) bursting through a brick wall to attack her.
When she learns that Ravenscroft had once been a lunatic asylum, and that Dr Schaeffer had formerly been a patient there, she is fearful that he may still be dangerous!
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