The Exorcist
The Exorcist is a 1973 American supernatural horror film directed by William Friedkin from a screenplay by William Peter Blatty, based on his 1971 novel of the same name. The film stars Ellen Burstyn, Max von Sydow, Jason Miller, and Linda Blair. The story follows the demonic possession of a young girl and her mother's attempt to rescue her through an exorcism by two Catholic priests.
Plot
At an archaeological excavation in northern Iraq, Catholic priest and archaeologist Lankester Merrin unearths a medallion of Saint Joseph as well as a statuette representing Pazuzu, an Assyrian demon. As Merrin prepares to leave, he sees a large statue of the demon and witnesses two dogs fighting.