Joker and Hachi have traveled down the canals of Venice to steal the Golden Lion Statue, but they`re blocked by Nightmare, Italy`s #1 phantom thief, who has been dispatched by President D. Nightmare uses masks to turn the townspeople into zombies, and guides them with the sound of a mysterious bell to try to catch Joker. Joker and the art detective Viridian -- who came by to catch Joker -- try to run, but Nightmare seems about to affix one of his masks to Joker himself...