Finé and Izetta escape the burning wreckage of the plane on the back of a rifle. But squad of Germanian pilots participating in the invasion of Eylstadt hear the transport's distress call and move to intercept them. Izetta is forced to use her magic to fight them off, breaking the rule her grandmother gave her. When the enemy planes are shot down and driven away, Izetta takes Finé to join the retreating Eylstadt army, where she reminisces about how they met.

Izetta's victory has won a brief peace for the dukedom, and the princess intends to enjoy it. Together, they practice dancing, and go to a pie shop. But there's trouble brewing in the background, as young private Jonas has discovered her secret. How far is Seig willing to go to keep the country safe, especially when innocents are involved?

All is quiet in the dukedom as the Germanian army redirects its forces to deal with a coastal invasion by the allied forces. But the silence is suddenly broken by a deadly feint attack, and Izetta is sent to save the day. But when she arrives, she's met with another Witch! Who is this new witch, and can Izetta defeat her?

The capital of Landsbruck has fallen, and Izetta and the princess are chased into the mountains. As the imperial forces track them down, Seig makes Izetta an offer: he's willing to give her the other half of Sophie's magic stone. With this powerfulitem she fight toe-to-toe with Germania's witch, but it causes the user tremendous pain, and shortens their lifespan...