The police video made Xie Kun accuse Bai Jiuzhou of being ineffective in his work. Later, Jiang Yiheng found the real list of employees in Bai Jiuzhou's file bag and saw Mulin's name inside.This made Mulin's death directly related to the 818 case. The police's discovery caused Jie Kun to collapse. He beat Bai Jiuzhou violently and threatened him to solve the problem by himself.
Afterwards, Jie Kun made an appointment with Chu Bai for negotiation. At the same time, Lei Yang appeared in a basement and talked to the mysterious figure opposite him, expressing his two or old acquaintances in his words.The police identified the key suspect as Lu Weiwei, but just when they were about to inquire about him, they received a report from the public. In the airport apartment, Lu Weiwei hanged herself. Sun Zhengyang and Chu Bai led the team to investigate the scene and saw Qin Fen, the reporter, who turned out to be Sun Zhengyang's old acquaintance.