They came to torture an agonised mind.

A physician discovers that two children are being kept virtually imprisoned in their house by their father. He investigates, and discovers a web of sex, incest and satanic possession.

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Main Cast: Robert Hardy, Shane Briant, Gillian Hills, Yvonne Mitchell, Paul Jones, Patrick Magee, Kenneth J. Warren, Michael Hordern, Robert Brown, Virginia Wetherell

Director: Peter Sykes

Writer: Christopher Wicking

Editor: Chris Barnes

Cinematographer: Arthur Grant

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