Its main plot concerns the arrival of a humanoid alien, known as a "Saiyan", to Earth, looking for Goku. The saga covers the arrival of this Saiyan, Raditz, and his fight against his brother Goku and Piccolo. the subsequent training and preparation for the arrival of the two Saiyans, Nappa and Vegeta, who are looking for the Dragon Balls to gain eternal life which culminates in a series of life and death battles involving the Dragon Team.
