A retired gangster - Brother Zheng divorced his wife and left behind a young daughter - Ya Shi depends on him for life. However, Ya Shi has a rebellious nature and there is a generation gap between him and his father. Brother Zheng works as a minibus driver for his sake and neglects his supervision. Shi ran away from home and got acquainted with a pimp, You Liang, and started a bad relationship. You Liang had a romantic nature and was surrounded by female companions. After the two got married, You Liang still did not change his nature. He was very unfaithful to Shi's friend, Land's sister . It was even discovered by Shi that she was having an affair with someone. At this time, Shi found out that she was pregnant. She was so heartbroken that she fell downstairs and committed suicide. After learning about the incident, Brother Zheng teamed up with his former brother Yafa to teach You Liang to avenge his daughter.