In the turbulent Dayun Empire, the concubine Yu Zhongnan was framed and exiled, and accidentally got involved in the huge wave of power change. He outsmarted his advisers, married into the court, and made friends in the world. Step by step, he went from being forced to survive to actively competing for power. After experiencing power calculations, life and death games, repeated friendships, and entanglements of love and hate, Yu Zhongnan finally grew into a hero who could control the general trend of the world. In the struggle for power where conspiracies and jokes coexist, forces from all sides divide and merge, ambitions collide, and Yu Zhongnan's choice will also determine the fate of the empire and himself.