 The Joker inadvertently gets his hands on the magical mask after it is found in a Gotham City museum.With its power, the Joker begins to feel it is time to rejuvenate his career as a criminal, taking over Gotham TV and broadcasting his own shows.Lieutenant Kellaway finds his way to Gotham and helps Batman and Commissioner Gordon to defeat the newly super-powered Joker, Batman determining that the mask is not having its usual psychological effect on the wearer as the Joker always expressed his 'innermost desires', with the mask merely making him unstoppable.