When the Mario world finds a new threat in the Tibernotan Shadows, the land throws it's greatest heroes to fight it. But this tells the story of another citizen, and his adventures with the foreign residents of the Mushroom Kingdom.

With Koppai's food problem sorted out and fixed, Olimar, Alph, Brittany, and Charlie go back to PNF-404 to uncover the secret behind the planet.

"You and I are the same as we are unique."