Don't Deliver Us from Evil (original title: Mais ne nous délivrez pas du mal) is a 1971 French film

Cinema of France

The Cinema of France comprises the art of film and creative movies made within the nation of France or by French filmmakers abroad.France is the birthplace of cinema and was responsible for many of its early significant contributions. Several important cinematic movements, including the Nouvelle...

  directed by Joël Séria. It is loosely based on the Parker–Hulme murder of 1954.

Plot

Two young convent girls named Anne and Lore (Jeanne Goupil and Catherine Wagener), become friends and decide to spend the summer together. At the convent school they took a vow to do evil. Over summer vacation, left to their own devices, they become more and more demented.