Xiuhui's parents, Luo Qizhao and Zeng Pingli, were shocked to hear the news of their daughter's death and rushed to identify the body. They were heartbroken.Dingqin informed Keran that Xiuhui did not die from a hard object attack but from suffocation, so Xiuting could initially be ruled out as the murderer.Ri Jin foresees the scene where Qi Zhao pushes Xiu Ting downstairs. At the same time, the police also receive a report that Qi Zhao wants to harm Xiu Ting. Ri Jin and Keran want to prevent the tragedy from happening.Ke Lan found new drug clues on Xiu Hui's clothes and suspected that the murderer was actually related to Xiu Hui's boyfriend!During the investigation, Ri Jin even found out that Xiu Hui's grandmother Lu Meilan had something to hide.Ke Lan followed the clues provided by Xiu Hui's boyfriend. At the same time, Ding Qin also discovered in the mortuary that grandma Mei Lan was also involved in the murder...