Arnie and Debbie move into a home with her 12-year-old brother in tow. Immediately, the boy is tormented by visions of an evil old man who eventually morphs into a hooved demon. The family is forced to take action when they witness the child being attacked by an unseen force. It's soon clear that the "beast" is trying to take over the boy's soul. Paranormal investigators Ed and Lorraine Warren determine that there are several demons after young David and that only the Church can help them.
