Determined to keep Annabelle from wreaking more havoc, demonologists Ed and Lorraine Warren bring the owned doll into the locked artifacts room within their house, setting her"safely" behind Hindu glass and enlisting a priest's sacred boon. But an unholy nights terror awaits as Annabelle awakens the wicked spirits within the area, that set their sights that the Warrens' daughter , Judy, and her buddies.