Shen Yao was originally a 21st century special forces soldier. He was accidentally swept away by a time and space vortex during a cross-time and space combat exercise. When he opened his eyes again, he was already in a border town in Liaodong during the Chongzhen period of the late Ming Dynasty. It starts with Ning Yuanwei, an unknown soldier, facing a mess of internal and external troubles: Wu Sangui, the commander-in-chief of Liaodong, is self-willed, the Eight Banners cavalry of the Later Jin Dynasty are eyeing him, the military pay is being deducted from the guards, and the people are dying of hunger everywhere. Relying on the fighting skills tempered during the special forces period, modern military thinking and a face as thick as a city wall, he started as a soldier and gradually made a name for himself in the army.