After paranormal investigators Lorraine and Ed Warren have taken the haunted doll Annabelle and stored it in their basement, locked away from the outside world, they believe that they have successfully trapped it. Sometime later, Lorraine’s daughter Judy’s babysitter unlocks Annabelle, thinking she is just a hoax. Soon mayhem begins and Judy, along with her babysitters, has to return Annabelle to her locked display box before it’s too late.