When a new pop-up Halloween store opens in a deserted strip mall, three middle school friends who think they've outgrown trick or treating make a dare to spend the night locked inside the store Halloween night. But they soon find out that the store is haunted by an angry evil spirit who has possessed the creepy animatronic characters. The kids will need to embark on a thrilling and spooky adventure in order to survive the night and avoid becoming possessed themselves.