The narrative takes place millennia into the future. Earth's inhabitants have lost all memory of ancient space conflicts, having regressed to a pre-industrial way of life. However, the lunar colonists, referred to as the Moonrace, who have preserved their advanced technology, now intend to take over their home planet. As this interplanetary war commences, Loran Cehack, a young Moonrace resident and pilot of the renowned Turn A Gundam, endeavors to reconcile the deeply divided factions of humanity.