The Rape of the Vampire

In the 1968 film "The Rape of the Vampire," four sisters living in an ancient château are convinced they're vampires, replete with reactions to crucifixes and sunlight. As a psychoanalyst attempts to cure them of their supposed illness, he discovers one sister is actually undead and flees with her. The narrative dissolves into chaos as a sinister old man manipulates the sisters, and a vampire queen emerges, sparking a rebellion that ultimately leads to destruction and sacrifice for the protagonist, Thomas, and his companion, a vampire woman.