Watch The Exorcist: Believer (2023) HD Full Movie Free on SolarMovie. Watch The Exorcist: Believer (2023) online free. When two girls disappear into the woods and return three days later with no memory of what happened ...When two girls disappear into the woods and return three days later with no memory of what happened to them, the father of one girl seeks out Chris MacNeil, who's been forever altered by what happened to her daughter fifty years ago.