The story is set in the Yan Dynasty, and the struggle for the throne between the prince Su Jinyu and the second prince Zhao Yuchang runs throughout. The prince is in a critical situation and is jealous of his father. Zhou Yunting is trying to survive in the cracks between the court and the powerful, and Wei Qingluo is having trouble with both sides in the harem. Various families, foreign vassal forces, political circles and harems jointly planned the situation, and the whirlpool intensified. The main clues are divided into three parts: the growth and struggle of the prince, the fighting between the court officials and the intrigues of the harem; the undercurrent is revealed from the perspective of the female officer Li Zhilan, and Han Wuji sets off a wave of armed forces at the critical moment. The book is divided into ten volumes, covering themes such as competition for the throne, family grievances, palace crisis, national turmoil, revenge and redemption. In the end, the multiple threads are wrapped up, the fate of each character is intertwined, and the main thread climaxes one after another, showing the cruelty of the deep palace intrigues and the struggle of human nature.