 Mario s vacation goes horribly wrong when he finds someone has polluted Isle Delfino, his destination. Even worse, he perpetrator looks like him but silver colored, and he s been mistaken for the culprit! No one messes with Mario s vacation, so he goes to reveal the impostor and get his name cleared. But he can t clean up the goo without a machine called "Fludd". Can he find out who disguised their self as him and clear his name?