The Vampire Lovers (1970)

In Styria, Austria, General von Spielsdorf gives a party and a countess explains to him that she needs to travel immediately to visit a relative that is ill. She leaves her daughter Marcilla under the care of the general. Marcilla befriends his daughter Laura and then the teenager has nightmares in which she is attacked by a dreadful creature. The doctor finds that Laura is anemic and soon she dies. Marcilla leaves the house and the countess fakes a carriage accident to leave Marcilla, now known as Carmilla, with the wealthy Mr. Roger Morton. Camilla befriends Emma Morton and soon she starts having nightmares. Her governess Madame Perrodot is seduced by Carmilla and helps her to be close to Emma. Mr. Morton travels and the butler Renton and the doctor suspect that Madame Perrodot might be a vampire but they do not suspect of Carmilla. Will Emma be saved from Carmilla?