Synopsis: Lin Kaiyin was transferred to Jiangcheng City to cooperate with Wang Xiaoshu and Cheng Nan for anti-narcotics work. A batch of drug raw materials accidentally leaked. Lin Kai and others investigated the drug manufacturing factory layer by layer. At the same time, Mr. Druglord Help the police get clues all the way, and want to use the police to eliminate competitor Tai. I thought that the plan was perfect, but Lin Kai and others still saw the flaws. After the Taige gang was captured in one fell swoop, Mr. Da was also arrested quickly.