Fan Youcai, a commoner, accidentally got involved in the power struggle in the royal capital. He gradually broke into the high walls of the nobles and powerful officials from the lowest level, colliding, cooperating and secretly wrestling with Liu Ruowei, Shen Yuanqing and others. Sister Wang from the market helps secretly, but there is no way for the old man to enlighten him. The entire kingdom is unpredictable under the secret chess scheme of Emperor Zhao Ankang. The story progresses through four volumes. Fan Youcai experiences the temptation, betrayal, growth and self-mockery of power. In the end, he not only saves his life in the chaos, but also becomes the promoter of a new order in the power situation. The process is full of humor and irony, with constant reversals. There are both fierce battles and interesting things in the market, teasing the intricate machinations of the palace and the temple. In the end, everything comes down to self-examination of the nature of power and individual redemption.