Requiem pour un Vampire

Requiem pour un Vampire English title Requiem for a Vampire is a 1971 erotic horrorfantasy film directed by Jean Rollin, about two young women who find themselves trapped in a haunted castle ruled by vampires.

Walking through a field, they come to the outside of a gothic castle. There they are bitten by vampire bats, which lead them to go into the castle, where they make love in a cozy bed. They tour the castle and discover a few skeletons along with a woman playing an organ. She begins to follow them, so they shoot at her, but she doesnt die. They run away and are caught by some men who force themselves on them. A vampire woman stops the men, and the vampire woman who chased them almost bites them until they break away. They soon come across a male vampire, the last of his kind. He has plans for the women. They are bitten in order to continue his bloodline, but they must stay virgins. Michelle likes the idea of everlasting life but her girlfriend has serious doubts, and by sleeping with Frdric, a random passerby, she not only jeopardizes the vampires plans but also puts the mutual love and friendship between her and Michelle to the ultimate test. The vampire realizes that he must not continue the bloodline, and lets Michelle and her girlfriend escape.MariePierre Castel, who starred in Rollins previous films La Vampire Nue and Le Frisson des Vampires, joined the cast of Requiem because her twin sister Catherine Castel was unavailable. An agent had introduced Rollin to Mireille Dargent, who would play Maries partner in the film. This agent was a crook, and collected Dargents wages for his own benefit. Rollin hired a lawyer and the agent paid the earnings back to her. Requiem was Louise Dhours first film. She used to sing Damias songs at Paris nightclub La Ville Grille. As the vampires maidservant in the film, she was given the most important of her roles and thus became part of the Films ABC family. ........

Source: Wikipedia