Between Dragon Ball Z's defeat of Majin Buu and the start of Dragon Ball Super, Gomah, the new Supreme King of the Demon Realm, uses Earth's Dragon Balls to neutralize its greatest fighter. The wish turns Son Goku and his companions back into children, and Dende is kidnapped in the process. A young Majin named Glorio brings word of Gomah's plans, and Goku leads his group into the Demon Realm to reverse the wish and bring Dende home.