The Anshi Rebellion broke out, and the Tang Dynasty sent elite Anxi soldiers to the pass to quell the rebellion, leaving the Western Regions empty of troops. Tubo took the opportunity to launch a massive invasion, and the towns of Beiting and Anxi fell one after another. When he traveled through time, only one of the four towns in Anxi was Qiuci. With no reinforcements, no supplies, and no court orders, he must use modern military knowledge to reconstruct the defense system, stabilize the morale of the military, and create hope of survival from a desperate situation.
