The young gangster Zhang Xiaobing worked as a henchman in the "Night Cat" gang. He usually did low-level jobs such as showing off for others and watching the scenes. However, one rainy night, he picked up a man covered in blood in the garbage dump on the back street. What he didn't expect was that the man was actually the leader of the "Dark Qing" gang, Xu Dajun.
Since then, Zhang Xiaobing, who has become the savior of the Anqing Gang, has had a smooth journey in the war. However, behind all this lies a complicated past. In what direction will the relationship between two people with opposing identities develop? What will their ending be like?