After their showstopping defeat of the crystal life-forms, Hiro and the gang head to the imperial capital for Hiro's award ceremony. No shortage of trouble awaits them in the heart of the empire, from Elma's overly affectionate brother crashing the party, to a reunion with Chris, to the emperor liking Hiro a little too much. Just when the crew thinks they've seen it all, they learn that the imperial princess...is the spitting image of Mimi?!