Tragic Ceremony (1972)

aka’s: Estratto Dagli Archivi Segreti Della Polizia Di Una Capitale Europea/Trágica Ceremonia En Villa Alexander

This forgotten shocker tells of four hippies, who are having fun frolicking in the sun, until a storm forces them to seek shelter. They wind up in a Gothic mansion and encounter a Satanic cult, which targets one of them for a human sacrifice. Stars Camille Keaton, Luciana Paluzzi and Tony Isbert. (In Italian language, with English subtitles).