In the ten years of peace, the Great Xia Dynasty, which appeared to be singing and dancing in peace, was actually undercurrent. The young emperor Zhao Zhen struggled to maintain his rule under the control of the Queen Mother and his relatives. Wei Changqing, the chief minister of the cabinet, has power between the government and the opposition. Party disputes between the DPRK and China continue, local officials are corrupt, and public resentment is boiling. Zhao Zhen accumulated strength in forbearance and secretly promoted talents, trying to get rid of the control of the Queen Mother and Wei Changqing and truly grasp power. Qin Muzhi, a student from a poor family, entered the officialdom through the imperial examination and prayed for the people, but he was involved in the political struggle of the court. In the harem, the noble concubine Liu Ruyan works both ways to benefit the family. The forces from all sides are engaged in a fierce game in the court, with conspiracies and intrigues intertwined, and loyalty and betrayal coexisting. As the investigation deepened, Zhao Zhen gradually discovered the conspiracy of Empress Dowager Xiao to restore the country. Finally, together with loyal ministers and good generals, they put down the rebellion and maintained the stability of the dynasty, but they also paid a heavy price for this. The story shows the cruelty and complexity of the power struggle, as well as the struggle and transformation of human nature in it. Zhao Zhen eventually grew into a mature king, but gradually lost his original innocence and ideals.