Taking place after the events of Dragon Ball GT, Vegeta and the Z fighters promise to train to protect the earth without Goku. Little do they know that 12 years later an enormous threat would be approaching.

Two creatures known as Razzle and Dazzle create a portal to a mysterious planet known as Absalon. This results in the arrival of three unknown saiyans. The Z fighters confront the powerful warriors with still no sign of Vegeta or Goku.

Gohan tries to do battle with the head of the evil newcomers, a super saiyan known as Lieutenant Kosho.

Gohan desperately tries to defeat the head of the evil newcomers by transforming into super saiyan three. Despite his strength Lieutenant Kosho achieves super saiyan 4 and seems unbeatable.