The Three Dukes meet to discuss what to do about King Souma. In Amidonia, Gaius receives word from Georg accepting his aid, and prepares to invade Elfrieden over the objections of his finance minister. Souma delivers his ultimatum to the Three Dukes.

Under Gaius's command, the Amidonian army launches a full-scale attack to retake Van, but Souma and his forces move to stop them. In the aftermath of the war, there are serious consequences to be faced and plans for reconciliation to be put into action.