A chilling story of terror, murder and unknown evil that shocked even experienced real-life paranormal investigators Ed and Lorraine Warren. One of the most sensational cases from their ... Paranormal investigators Ed and Lorraine Warren encounter what would become one of the most sensational cases from their files. The fight for the soul of a young boy takes them beyond anything they'd ever seen before, to mark the first time in U.S. history that a murder suspect would claim demonic possession as a defense.