Yuyang obtains the case files from Rongtao on Guiquan’s sudden death. Rongtao teases her, saying she is going to take over Qingxiong’s leadership position soon. She hands the case files to Qingxiong, who views them without comment. Haifeng tells Yuyang that he and Liren are friends, and he has learnt that Jiaqiang was indeed involved in a bribery 16 years ago. Yuyang notices that Haifeng is addicted to alcohol. She scolds him to knock some sense into him. Qingxiong talks to Haifeng in private. He suspects the case files have been altered and believes Rongtao is the culprit. He wants Haifeng to investigate this secretly. Junyan is drunk when he goes to Jiaqiang’s house. He demands to know if he had caused the death of Guiquan. Jiaqiang denies this. Junyan had feigned being drunk to be able to secretly film Jiaqiang. Viewing the video, Junyan and Yuyang become certain Jiaqiang was putting up an act. Someone must have tipped him off. CCI has a discussion. Qingxiong asserts that someone is manipulating Jiaqiang; that person is Kunxing. He adds that he had found a disposable syringe where Guiquan was found dead. However, the evidence was not recorded in the case files. Qingxiong suggests they focus their investigation on the laboratory technicians, Liren, and his wife, Yujiao. They were in charge of processing the evidence at the time. Xiulian invites Qingxiong for a meal at home. For the sake of her mother, Yuyang pretends to get along with Qingxiong. Kunxing calls Xiulian but she brushes him off. Kunxing watches as Yuyang walks Qingxiong downstairs. Qingxiong tells her that he has always desired to have a meal with them as a family. Later, Kunxing calls on Qingxiong and reminds him not to let Atsuki down. Yuyang and Haifeng act as a couple and join Liren and Yujiao on a yacht. They find out how the duo had supplied drugs to poison Guiquan. Liren and Yujiao are arrested. Jiaqiang’s son realises his father is missing. Junyan receives a call from Jiaqiang and qui