Up in a mountain forest, Bulma is near her second Dragon Ball – the four-star one. A rough first meeting with the strange, strong Goku then occurs. It turns out that he has the four-star Dragon Ball, as it was an heirloom from his late grandfather Gohan. Upon learning how the seven Dragon Balls work, Goku is eager for adventure and joins in her search. Bulma figures his strength will come in quite handy, which proves true almost immediately. Meanwhile, the diminutive Emperor Pilaf is scheming.