In the imaginary Huang Dynasty, undercurrents surged above the court, and the struggle for imperial power intensified. The prince Gu Yunzhi is gentle and kind. Although he has the talent for governing the country, he is not good at political strategy and is involved in the vortex of the struggle for imperial power. Shen Zhiwei, the daughter of the prime minister, is smart and calm. After marrying into the East Palace, she became Gu Yunzhi's think tank. The third prince, Xiao Jingxing, was ambitious and would do anything to seize the throne, and launched a fierce struggle with the prince. General Qin Ming was loyal and upright, and was involved in it, facing a choice between loyalty and morality. Liu Ruyan, an orphan from the former dynasty, carries a blood feud and lurks in the palace, waiting for opportunities to take revenge. Zhao Wuji, the eunuch in charge of the Supervisor of Ceremonies, wields power over the government and the public, secretly controlling government affairs. In this game of power, everyone is fighting for their own interests. Who can finally ascend to the throne and become the real winner?