EXORCIST II: THE HERETIC
Directed by JOHN BOORMAN Screenplay by WILLIAM GOODHART
So you thought the demon was finished off at the end of The Exorcist back in 1974? Nonsense. The old fiend, Pazuzu by name, has been lurking in Linda Blair's subconscious, waiting until the market seemed right for a sequel.
In Exorcist II: The Heretic, Father Richard Burton arrives from the Vatican to search out Pazuzu in Linda's soul, and meanwhile have a religion-science face-off with Psychiatrist Louise Fletcher, who wants to do the job by hypnosis. Pazuzu gets mad as a hornet...