A research team from an electronics company move into an old Victorian house to start work on finding a new recording medium. When team member Jill Greeley witnesses a ghost, team director Peter Brock decides not only to analyse the apparition, which he believes is a psychic impression trapped in a stone wall (dubbed a "stone tape"), but to exorcise it too - with terrifying results...
January 31, 1972
Top billed cast
Michael Bryant, Jane Asher, Iain Cuthbertson, Michael Bates, Reginald Marsh
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