An Ni's case is reopened. Captain He Lu Yuan believes the car accident he is investigating might be a murder. Huiquan Corporation hosts a launch event for their new app.
He Luyuan made a surprise night visit to the suspects' home. Rumors of Chen Yonggang's gambling addiction spread in the Huiquan company. An Ni and Xiao Mu'en started to get to know each other. Xiao Bei started a dangerous Livestream.
Xiaobei, while live-streaming, jumped into the river. Zhu Xin's case was opened for the first time and had a witness problem. Professor Luo was hired urgently to save Huiquan. AnNi and Captain He work together to find XiaoBei.
He Luyuan launched an investigation based on the clues and action tracks left by Xiaobei. He and AnNi judged that Xiaobei was not dead. Zhan Mei watched AnNi's live stream and went after the prosecutor for help with her son's case.
AnNi visited Zhan Mei's home to learn about her son's case. AnNi questioned Zhu Xin obtaining new information. Zhu Xin's case is judged in court. The prosecution and the police joined forces against the online gambling world.