After the Fire Peace Festival in the village of Senri, Yona and her companions receive a bag of precious Iza seeds as thanks for Yona's sword dance and Yun's medicine. Since this crop is easy to store and cultivate, it could be the solution for the hunger-stricken areas of the country – exactly what they have been looking for! But just as Yona's group is about to set off again, they learn that the villagers are being threatened by violent soldiers...