A giant castle in a mysterious world. Two shady Majin, Gomah and Degesu, watch a monitor. The monitor shows Goku and the others having a fierce battle against Majin Buu. Gomah and Degesu head to Earth to execute a certain conspiracy.

Rumors of what Goku did in the Third Demon World spread across the Demon Realm. To avoid trouble, Goku wears a disguise at the hotel, but they can't let their guard down in the Third Demon World. Thieves see through his disguise!

As Goku and his companions head to where Gomah is, engine trouble causes them to land on a certain planet. The place they land happens to be a surprise-filled planet where even Supreme Demon Kings are afraid to tread!

The Evil Third Eye offers absolute power in the Demon Realm. King Gomah confirms its location and moves to obtain it! Will the Third Eye open on Gomah's forehead?!

Goku and his companions face off with Arinsu. With everything on the line, their battle begins. But all of a sudden, a transformed King Gomah stands before both parties!