Years after the conclusion of *Dragon Ball GT*, this special follows Pan, Son Goku’s elderly granddaughter, and a new generation of Super Saiyans, Goku and Vegeta’s great‑great‑grandsons, 100 years after the series ends. All of Earth’s heroes have died, leaving Pan as the sole survivor. Pan’s grandson, Goku Jr., lacks the bravery of his great‑great‑grandfather. When Pan suffers a heart attack, Goku Jr. believes that the power of the four‑star Dragon Ball may save her. Joined by a school bully, he sets out to find the ball and discovers a hidden courage and strength within himself.