In the prosperous age of the imaginary dynasty, undercurrents are surging. Princes are seizing the heirs, powerful ministers are wielding power, and border wars continue. On the surface, the seventh prince Jingyan is keeping a low profile, but in fact he is secretly accumulating strength. He joins forces with the prime minister's daughter Yunxi to work between the court and the harem, gradually exposing the truth about the corruption in the court, rooting out the traitors, and finally ascends to the throne, turns the tide and revitalizes the court. The story takes Jingyan's growth as the main line, showing the cruelty and complexity of the power struggle, as well as the struggle and redemption of human nature. The period is interspersed with various emotional entanglements such as love, friendship, and family affection, as well as profound thoughts on politics, morality, and human nature.