On Prince Pompadore's 18th birthday, his cake explodes, revealing a magic scroll, a magic mirror, and a doorknob. The scroll warns the prince that if he doesn't wed a "proper princess" within seven days, his entire kingdom will disappear. He and the kingdoms wise elephant Kabumpo embark on a new adventure to the Emerald City to marry Princess Ozma. But when they finally arrive, they find the princess and her palace are missing!