Mario and Luigi are two plumbers out of Brooklyn who dream of doing bigger things and help people. When they find a girl with amnesia, they decide to help her trace back her memories and place. Along the way, they come across a man named Mr. Koopa, who claims that he knows this girl’s origins, but Mario notes that there’s something off about him. They soon find the hidden worlds of the Mushroom Kingdom and the Dark Realms, and this reignites the girl’s memories and remembers that she is Princess Peach of The Mushroom Kingdom and enlists the Brothers to help her beat Bowser, who they unknowingly have met before.
