Mario, Luigi and Peach are enjoying a picnic in the garden of Peach's Castle, where a large blue portal sucks them into nowhere. They wake up to find themselves in the Mushroom Kingdom in the future. Then, a gold Toad takes them to the castle, where the Mushroom Kingdom is ruled by The Master. They meet him and when they are trying to figure out what happened, a dark figure attacks Peach. Peach survives, and remains in the castle. Mario and Luigi leave and try to find where the dark figure came from, when a hut appears out of nowhere. They go inside and meet an elderly Toad. They tell him what happened and he says that the only thing strong enough to defeat it would be the Rainbow Spheres, which have been scattered around the different 'islands'. So Mario and Luigi go on a quest to get the