The special soldier Zhao Chonghun traveled to the late Northern Song Dynasty and became a branch of the Zhao family. Faced with the pressure of the Jin soldiers, the strife in the court, and the depletion of armaments, he used modern military knowledge to organize the army, train troops, and innovate tactics with an iron fist. He became famous in the Taiyuan defense battle, but he also became involved in the old and new party disputes. When Prince Zhao Huan ascended the throne, Zhao Chong was ordered to reorganize the Forbidden Army. Together with the famous general Han Shizhong, he faced the fierce attack of the famous Jin general Wanyan Zonghan. He not only has to resist foreign enemies, but also deal with the secret assassinations of the civil service group and female spy Yang Yue, and is torn between Zhao Huan's suspicion and trust. In troubled times, can he turn things around on his own and rebuild the spirit of the Song Dynasty army?
