 Jervis Tetsch, aka the Mad Hatter, is abducting all the jurors who convicted him of a previous crime wave. He is also taking their hats. His final target is none other than Batman, who provided the key testimony in the Mad Hatter s trial. Batman and Robin have the Mad Hatter and his gang cornered but the criminal mastermind manages to encase the Caped Crusader in plaster of Paris.