Andrzej Żuławski\'s "The Possessed" is a 1975 psychological horror film about a group of people who become possessed by an unknown force. The film follows a young woman and her friends as they try to uncover the source of
From Wikipedia
Andrzej Żuławski was a Polish film director and writer best known for his 1981 psychological horror film Possession. Żuławski often went against mainstream commercialism in his films, and enjoyed success mostly with European art-house audiences.