Synopsis：Cheng Jie, a newly joined narcotics police officer, is bitten by a drug trafficker during an arrest and becomes suspected of contracting HIV. Team leader Liu Yifei receives intelligence that a major drug deal is about to take place in Jiangcheng. While apprehending the trafficker and addressing Cheng Jie's potential HIV infection, the suspect Yu Changpu comes under police investigation. It is later discovered that Yu Changpu was merely being used, and the real drug lord is the mining operator Yang Jiang.