Neotopia is faced with an invasion from the Dark Axis, a group of nefarious interdimensional conquerors. The Super Dimensional Guard and their protectors, the Gundam Force, are Neotopia's counterstrike. Captain Gundam heads the Gundam Force, a team of unique Gundams equipped with special abilities. Along with the help of Shute, the Gundam Force relentlessly battles to defend Neotopia against the Dark Axis and ultimately conquer them.