Mario and Luigi are taking a walk near Bowser's Castle when they find a Magical Typewriter hovering in midair. Mario sits down to try it. He is, it turns out, a terrible typist. The Magical Typewriter has strong opinions about this — it explodes. Where it stood, a floating scroll materializes depicting three scattered pieces of the now-destroyed machine. Mario resolves to find all three parts, reassemble the typewriter, and finally learn to type properly.