In the story, planet Earth will once again be in danger as evil forces try to get in. Only Goku has the ability and the power to save Earth from these evil forces.
However, a year has passed and he still has not returned to Earth. Meanwhile, it is revealed that Frieza managed to survive from the battle against Goku and he has been rebuilt into a cyborg by his father, King Cold. They are heading towards Earth to destroy it as their revenge on Goku. The rest of the Z Fighters gather to defend the Earth from Frieza despite knowing the odds are against them.
But as soon as Frieza, King Cold and the rest of the army arrive on Earth, they are met by a mysterious teenager wielding a sword who claims that he is there to kill them.
Who is this mysterious teenager who challenges Frieza and King Cold? Will he and the rest of the Z Fighters save Earth from the evil forces?