After the generation of war, the Gundam boys finally brought the world between the land and the colonies when they helped defeat the army of the country of Oz and White Fang. Now, among the wreckage, surviving soldiers are reborn and grouped into new factions. Hiro Yu became a vengeful pacifist, eating caches with a weapon and destroying them, while relay, the former Queen of the Earth's sphere, is now trying to preserve the world politically. But somewhere near Mars was found a unmanned weapon plant, and now the guys Gundam will have to cleaned their bells for another battle if the world lasts. He overcomes the gap between the anime series and Ova, Endless Waltz.