The kingdom has been ravaged by an origami menace! Join Mario and his new partner, Olivia, as they battle evil Folded Soldiers, repair the damaged landscape, and try to free Princess Peachs castle from the clutches of King Olly in this comedy-filled adventure, only on the Nintendo Switch system.

Mario and Luigi receive an invitation from Princess Peach to attend an origami festival and excitedly hurry to Toad Townbut somethings amiss. After investigating the eerily empty town, the duo finds a fearsome (and folded) Princess Peachshes been turned into origami by King Olly, ruler of the Origami Kingdom! With five giant streamers under his control, King Olly binds Princess Peachs Castle and transports it to a distant mountain as part of his plan to re-fold the world.

On his journey to liberate Peachs Castle and repair the ravaged paper landscape, Mario meets Olivia, King Ollys sister, and the two join forces to put a stop to Ollys origami onsl