After the events of her Journey and the defeat of Anankos, Corrin now rules the Veiled Kingdom Valla attempting to revive the destroyed kingdom while watching over Nohr and Hoshido. After an attack from Vallite forces invade the two kingdoms from deep within the deeprealms. Now she must unite her siblings to her side in order to defend the realms, but when other versions of her appears the matter complicates things.