Underworld, love, friendship, passion.
Lin Yu's father committed suicide by jumping off a building due to business failure and could not bear the pressure of debt. The family was instantly in dire straits. My mother was seriously ill in bed and needed huge medical expenses. Lin Yu, who was desperate, was involved in a gang fight on the street. In order to save a girl who was being bullied, he stepped forward and showed extraordinary courage and skill, which attracted the attention of Wang Hu, the leader of a small gang. Wang Hu invited Lin Yu to join their gang, but for money, Lin Yu reluctantly agreed. From then on, Lin Yu began to crawl at the bottom of the underworld, and gradually became familiar with the survival rules of the underworld.
