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After securing a grant to study stellar structures, American applied mathematician David Sumner moves with his glamorous young Cornish wife Amy to a house near to her…

A Scotland Yard investigator looks into four mysterious cases involving an unoccupied house and its tragic previous tenants: 1) A hack novelist encounters a strangler…

In the deserted chapel at Karnstein castle, Count (Mike Raven) and Countess Karnstein (Barbara Jefford) conduct a satanic ceremony to resurrect the body of their…