After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting "ghostbusters" who exterminate ghouls, hobgoblins and supernatural pests of all stripes. An ad campaign pays off when a knockout cellist hires the squad to purge her swanky digs of demons that appear to be living in her refrigerator.
A man is framed for murder and sent to prison. He is beaten and tortured, then forced to fight the prison's worst killer, a martial-arts fighting midget called Thud.