Amy's ventriloquist dummy, Dennis, has a head problem, as it keeps falling off, literally. Though when her dad gets her a new one, called Slappy, Amy finds a slip of paper with foreign words on it. Little does she know, it's a spell that brings Slappy to life, and now, horrible, terrifying things are happening around the house, and everyone is convinced that Amy is doing them. Amy tries to stop Slappy for good, but soon ends up finding out how dangerous he really is...