After the success of their assault on the Russy Federations capital, Moskva, the 203rd Battalion is treated to a brief respite. As her comrades eagerly blow off steam Tanya confronts the mysterious Being X. She has vowed to chart the path of the Unified Era with her own hands, but an urgent message from Major Uga leaves her shaken: the city of Tigenhorf, the empires most crucial logistics hub, is under siege by Federation troops. The battle that will decide the fate of the entire Eastern Fronts has begun…