On a distant planet, a group of Earth colonists discover an ancient super robot named Ideon, but their find is soon threatened by the Buff Clan, a group of aliens intent on harnessing the robot's powerful energy source, known as Id.

Space Runaway Ideon
A starship embarks on a treacherous quest across the galaxy, caught in a fierce battle with the Buff Clan for dominance over the mighty celestial robot, the Ideon.