I love both the horror films of Britain's Hammer Studios and the pairings of Sir Peter Cushing and Sir Christopher Lee so very much. Though this is one of their latter and lesser-known, it doesn't disappoint. Very much worth purchasing and rewatches for the horror connoisseurs amongst you...
A scientist comes to believe that evil is a disease of the blood and that the flesh of a skeleton he has brought back from New Guinea contains it in a pure form. Convinced that his wife, a Folies Bergere dancer who went insane, manifested this evil he is terrified that it will be passed on to their daughter. He tries to use the skeleton's blood to immunise her against this eventuality, but his attempt has anything but the desired result.
A terrifying journey through the nightmare worlds of evil, insanity and terrible revenge.