Mother Joan of the Angels

Mother Joan of the Angels (Polish: Matka Joanna od Aniołów, also known as The Devil and the Nun) is a 1961 Polish religious horror art film on demonic possession, directed by Jerzy Kawalerowicz, based on a novella of the same title by Jarosław Iwaszkiewicz, loosely based on the 17th century Loudun possessions. The film won the Special Jury Prize at the 1961 Cannes Film Festival.