The relentless battles waged by the Gundam boys culminated in a much-awaited truce between Earth and the colonies. The Oz and White Fang armies were overcome, but the interlude is not bereft of obstacles. The surviving fighters are assembling new factions and plotting their next moves. Heero Yuy has adopted a non-violent approach and seeks out and demolishes covert weapons, while Relena is striving to stabilize the political scenario as the erstwhile Queen of the Earth Sphere. Nevertheless, a robot weapons factory has arisen on Mars, and the Gundam boys are once again summoned to safeguard the fragile peace, necessitating them to revive their mechs for a final showdown.