This movie is based on Jules Michelet's 1864 novel about Joan of Arc, La Sorciere - a book explaining the role the belief in witchcraft had on society.
Synopsis - Jeanne (the heroine) is raped on her wedding night by the local lord, and is thereafter rejected by her husband her awakened and unsatisfied libido develops into a devilish power which leads her to develop supernatural abilities and a mystical communion with nature.