While Goku races towards Earth along the million-kilometer Serpent Road, the world's mightiest martial artists make their last stand against alien invaders determined to wipe out the human race! Piccolo. Gohan, Kuririn, Tenshinhan and Chaozu struggle five-to-one against Nappa, only to find their opponents' power is greater than they ever dreamed. Their last chance is Goku...but can he get there in time? And is even he, and the miraculous Kai-ken, a match for Nappa's commander Vegeta?