Zhao Xiaofei is an ordinary high school student with a timid personality and not outstanding grades. He is often bullied by the school bully headed by Zhang Chuan. After school, Zhao Xiaofei is once again blocked in an alley by the school bully and demands money. When he doesn't know what to do, a mysterious old man appears and punishes the school bully. The old man saw Zhao Xiaofei's unwillingness and taught him some fighting skills and ways to survive. Zhao Xiaofei returned to campus and defeated Zhang Chuan. In his senior year of high school, Zhao Xiaofei left campus because of some things. Entering the society, he used some of the things his grandfather taught him and became the underground emperor of the entire city A. However, life is not always smooth sailing. With the death of his brother, the betrayal of women, and the alienation of officials, Zhao Xiaofei was unable to withstand this crisis. He fell, and the little people who had knelt before him began to ride on his head. After this blow, Zhao Xiaofei locked himself in a room and drank to get drunk. Fortunately, a close friend did not give up on him. Zhao Xiaofei has regained his confidence, so where will he stand again this time?