The incredible adventures of the Mario Brothers in their battle against the ever-threatening King Koopa.

Plumber brothers Mario and Luigi are flushed down a drainpipe into Mushroom World, where they embark on a series of adventures to save Princess Toadstool from King Koopa.

A Brooklyn plumber named Mario travels through the Mushroom Kingdom with a princess named Peach and an anthropomorphic mushroom named Toad to find Mario's brother, Luigi, and to save the world from a ruthless fire-breathing Koopa named Bowser.