Dayan is a fictional big country with endless rituals and music and fierce power struggles. The northern border is full of chaos, the capital and central are in turmoil, and the people are struggling in their own way. Wei Mingchuan was originally a low-level official, but he was accidentally involved in a palace conspiracy. He climbed up the ranks step by step with his humor and cleverness. The iron-blooded Wei Chi Lie at the border must not only resist foreign enemies, but also fall into the quagmire of the court, where ideals and reality are intertwined. Xiao Yurong, who works in a market restaurant, leads her family to survive in a difficult situation, and skillfully deals with the powerful, corrupt officials, and wealthy gentry, and becomes a legend in the market. Su Zhe, a down-and-out scholar, wandered around the edges of the arena and officialdom, exposing the darkness of the temple with laughter and curses. Zhang Wenjun, the eunuch of the imperial capital, weaves a web behind the scenes, and human nature is complex and unpredictable. The three volumes go hand in hand, and the affairs of the court and the fireworks of ordinary people are mirror images of each other. Under the absurd and humorous tone, the group of portraits jointly interpret the growth, struggle and life of the great era. The whole novel has a tight rhythm, climaxes one after another, folk and political storylines intertwined, and finally ushered in a profound collision between fate and human nature in the great changes.