Le Frisson des Vampires (The Shiver of the Vampires) is a 1971 film directed by Jean Rollin. It is his third vampire movie.
Two newlyweds, Isle and Antoine, are on their honeymoon, on their way to visit Isle's two cousins. When they arrive in the town they discover that her cousins died the day before. Isle and Antoine go to the chateau where they lived anyway. Once there they are greeted by two female Renfields who show them to a room.
Isle goes to the cemetery to visit the graves of her cousins, and a woman named Isabelle tells Isle that she was about to get married to both of her cousins, but in a way she was already their brides. Isle decides to sleep alone on that night because she is upset. While getting ready for bed a woman emerges from the grandfather clock. She introduces herself as Isolde and takes Isle back to the cemetery where she bites Isle in the neck. Antoine, feeling lonely, goes to see Isle, but she isn't in her room. He searches the castle and comes to the chapel where it seems a human sacrifice is taking place. Two of the participants turn out to be Isle's cousins and explain they must kill the woman or she will become like them — vampires. Antoine goes back to