Terra, a mysterious youngster who turns out to be a robot under the command of the Evil AI, ambushes the Mobile Rescue Police. Using impressive strength, Terra disables Gou and the team's Drive Heads, making them powerless. Things take a turn for the worse when Terra grows to an enormous size and engulfs everything in its path, putting the planet in severe danger. At this critical juncture, Team Drive Head must take prompt action to face the crisis headlong. Can Gou and his companions protect what they hold dear?