This is a plot war novel set in the early years of the Jing Dynasty. The founding emperor Situ Haonan was seriously ill, and the battle for the throne between his eldest son, King Situ Jielong of Huaiyin, and his second son, King Situ Junwen of Qin, became intense. The once harmonious brothers fought openly and secretly under the temptation of imperial power: Situ Jielong used his status as the heir apparent to win over forces and control the capital; Situ Junwen was pragmatic and deeply involved in military and political affairs, forming a tacit understanding with Li Yanyan, the daughter of the prime minister, and Murong Yunhai (later the queen), the daughter of the general.
Externally, the Yan Dynasty in the north (founded by the Tatars) has been harassing the border all year round, and crises such as the fall of Yunmo Fort have intensified the turmoil in the court. After Situ Haonan died, Situ Jielong rebelled, Situ Junwen fought back and ascended the throne, and was persuaded by the Queen Mother to imprison his brother.
He spent five years rectifying the internal affairs, and then went on a personal expedition. He met Guo Dadao, the leader of the northern rebels, and his daughter Guo Xiuer. With the help of the rebels, he pacified the Yan Kingdom in three years and completed the unification. Eventually, he was passed down to his son Situ Yun, who was given the posthumous title of "Emperor Jingguang Wu". The novel interweaves the power game and the feelings of family and country, showing the growth and responsibility of the emperor in troubled times.