The Devil Rides Out (film)

The Devil Rides Out, known as The Devils Bride in the United States, is a 1968 British horror film, based on the 1934 novel of the same name by Dennis Wheatley. It was written by Richard Matheson and directed by Terence Fisher. The film stars Christopher Lee, Charles Gray, Nik Arrighi, Leon Greene and Patrick Mower.

They escape to the home of the Eatons, friends of Richleau and Van Ryn, and are followed by the groups leader, Mocata, who has a psychic connection to the two initiates. After visiting the house to discuss the matter and an unsuccessful attempt to influence the initiates to return, Mocata forces Richleau and the other occupants to defend themselves through a night of black magic attacks, ending with the conjuring of the angel of death. Richleau is able to repel the angel, but it kills Tanith instead as once summoned, it must take a life. His attacks defeated, Mocata kidnaps the Eatons young daughter Peggy. The Duc has Taniths spirit possess Peggys mother in order to find Mocata, but they are only able to get a single clue, from which Rex realizes that the cultists are at a house he visited earlier.Simon tries to rescue Peggy on his own, but is recaptured by the cult. The Duc, Richard, and Peggys family, also try to rescue her, but they are defeated by Mocata. Suddenly, a powerful force or Tanith herself begins ruling Mrs. Eaton and puts a stop to Peggys trance. She then leads Peggy in the recitation of a spell, which kills all of the cultists and transforms their coven room into a church. When the Duc and his companions awaken, they discover that the spell Peggy was led into casting has reversed time and changed the future in their favour. ........

Source: Wikipedia