The story of Dragonball GT is revived in this special featuring a new cast of characters, including Pan, the elderly granddaughter of Son Goku, and a new generation of super saiyajins who are the great-great-grandsons of Goku and Vegeta. Fast forward 100 years and Earth's heroes are long gone, except for Pan and her timid grandchild, Goku Jr. When Pan falls ill, Goku Jr. embarks on a quest to find the 4 star Dragon Ball, hoping to save her with its power. Along the way, he discovers his own courage and strength with the help of an unlikely ally, the school bully.