After A Series Of Disturbing Supernatural Events In His Home, Joel A Young Single Father, Comes To Suspect That His Young Son May Be Possessed. Soon Joel Receives A Visit From Father Lambert, A Controversial Exorcist In Town Whose Last Patient Died During His Treatment. As Increasing Chilling Occurrences Begin To Unfold, The Priest Informs A Resistant Joel That Unless He Can Successfully Perform An Exorcism, The Devil Will Soon Take Full Control Of His Boy.