Crypt of the Vampire

“How much shock can the human brain endure before it cracks?”

People in the Karnstein castle keep dying, and Laura (Adriana Ambesi) is at the center of it. Her nurse says the spirit of a dead ancestor named Carmilla has taken hold of the girl, and Count Ludwig Karnstein (Christopher Lee) sends for a doctor. Camillo Mastrocinque keeps a young stranger, stranded by a carriage accident, under the same roof as a friend who fears she may be made to kill.