Goku, Bulma, and Oolong are still crossing Diablo Desert. Meanwhile, Yamcha is plotting his revenge. Pilaf sends Mai and Shuu after Bulma's dragon balls. Goku tells Oolong about the dragon balls, so now the treacherous Oolong has his own ideas about them. Yamcha overhears the conversation, and he develops a plan for the dragon balls himself. This begins a battle of wits among all parties trying to get their hands on the dragon balls.