Ken and Rob just moved into an old house with a dark past - the old owner turned into a zombie. Rob ignores the warning and read from a mysterious book that summons a demon from the forest. Ken is tormented by the demon and gradually turned into a zombie. At the same time lonely spinster Catherine is given a chance to resurrect her dead sister Ruth - unaware of Ruth's transformation into a murderous alien. Soon both Ken and Ruth are going on a rampage. Detective Sheridan has been waiting for a crime hard to solve ever since superhero Zebrama...
