The first episode. According to Tencent's video APP, Wang Hongjun said that the story of Changchun Jianghu appeared in the first episode of the TV series "The Mafia of the Northeast Past". The drama tells the story that the industrial economy in Northeast China was depressed in the early 1980s, mainly due to the gradual development and growth of the gangster organizations in Northeast China. At that time, the whole society was in a turbulent darkness.