During the Five Dynasties and Ten Kingdoms period, the world was in chaos, wars continued, and all the heroes were watching. In order to protect her young brother and defend the country, Sheng Qianyu, the eldest princess of Jingnan, changed her name to Sumu, and led the army as a man to fight against the powerful foreign enemies. In an accident, he fell into the enemy's trap, but was saved by the hermit master Kuang Yuelou. Later, by chance, he got involved in the political struggle of the Northern Han Dynasty and became an aide to the fifth prince of the Northern Han Dynasty. He took the opportunity to learn the secrets of various countries and protect Jingnan. After several wars, the people were in dire straits and homeless, so they came up with the idea of unifying the world and ending the chaos of separatism. Chuan Mutong and Lu Guangbai, who also had the same ambition for the world, fought side by side to achieve unification and the people lived and worked in peace and contentment.