Koopenezer Scrooge is visited by ghostly figures in a Super Mario-themed retelling of A Christmas Carol.Marleyo warns Scrooge about his lack of holiday cheer and warns of a lonely fate.Scrooge is shown his past, present, and a potential future where his greed has left the Mushroom Kingdom in darkness.Transformed by the experience, Scrooge becomes the happiest Koopa and spreads cheer throughout the Mushroom Kingdom.