Ling Ling accidentally learned that his parents had died of murder. In order to find evidence for revenge, he infiltrated into the gang. Unfortunately, his younger brother Ling Luo was trapped in it. From then on, Ling Luo and Ouyang Si became entangled. As a result, his younger brother Ling Luo met Man Qi, the leader of the second largest gang, and started a relationship. .