For eons, as many a parent can attest, many children have claimed that there are monsters that dwell under their beds, waiting for a chance to come out, grab them and devour them. Of course, most parents usually dismiss this concern as their child having an overactive imagination, but for Carol Anne Smith, that almost becomes a reality. Now her parents; Bill and Sandy Smith, who themselves have experiences with what they come to believe is a demon, must find a way to rid their house and their daughter, Carol Anne's bedroom of this unwanted creature that has taken up residence in their daughter's bedroom