After enduring the terrifically horrifying effect of the viral heart disease, Goku recovers, and has only one objective on his mind: surpassing the level of Super Saiyan. With Vegeta's mind set on reaching the same seemingly unreachable goal, Goku takes him, Trunks and Gohan to the mysterious Hyperbolic Time Chamber, a room where one year is equivalent to that of one Earth day. Meanwhile, the Androids face an unexpected and unforeseen issue: Goku's not home. With the Androids now closing in on Master Roshi's island, can Piccolo beat the destructive trio?