War between Chuinia and Xobrea, Alessia and Xavier are left on their own. Alessia struggles to find her sister, Scarlet, who was captured by Xovreain soldiers when they invaded her hometown. Xavier is forced to fight in the war along side his brother, Joseph who goes missing in action. Xavier and Alessia are determined to find their beloved siblings, but will they meet each other along the way? Will they help one another? Who else is searching for lost loved ones?