The level follows the events of Entrance to Subspace. After the characters have been turned into trophies, the cutscene plays showing King Dedede's castle. Luigi, Ness, and King Dedede are stuck in trophy form. King Dededes brooches however, revives Luigi and Ness. After they have been revived from trophy form, the duo decide to save King Dedede and the 3 heroes set off to find the rest of the characters.