Protagonist: Li Huidong, the imperial censor Zhongcheng, is upright and insightful. He is good at secret investigations and investigating cases. He holds the power of supervision and is concerned about the safety of the country.
Villain: Migration, the chief steward of the palace, and the emperor's most trusted father-in-law. On the surface, he is gentle and respectful, cautious in his words and deeds, and has won the favor of the Holy Spirit. He has been secretly planning for more than ten years. Borrowing the resources given by the emperor, he raised private soldiers in the hidden stronghold in the mountains outside the imperial city: swordsmen, archers, and dead soldiers, planning to launch a palace coup and usurp the throne.
Era background: Dajing Dynasty, Yong'an in the capital. The emperor is old, the prince is benevolent, and there is an undercurrent in the court.
