After defeating the fearsome Demon King Piccolo, Son Goku has embraced a peaceful life with his family. Now married and the proud father of a young son, Gohan, Goku believes his greatest battles are behind him. However, his quiet life is shattered when a mysterious warrior from outer space arrives with a shocking revelation—Goku is not from Earth but belongs to a powerful alien race.

The visitor, Raditz, claims to be Goku’s older brother and brings a terrifying mission that threatens both Goku’s family and the future of humanity. When Raditz proves to be an overwhelming and merciless opponent, Goku must face his greatest challenge yet to protect those he loves.

With Earth’s survival hanging in the balance, Goku forms an unlikely partnership with his longtime rival, Piccolo. Former enemies must set aside their differences and fight side by side against a common threat, beginning an epic new chapter filled with intense battles, unexpected alliances, and world-changing revelations.