A headless female body was found in a rental house. The police suspected that the deceased was Xiaomei, the tenant here. Annie was a former tenant who shared the same apartment with Xiaomei, but she moved out three months ago. After an in-depth investigation, the police discovered that Annie's boyfriend Wang Kai had an improper relationship with Xiao Mei. How will the police solve the case when there is no surveillance in the old community? And does Xiaomei's death have something to do with Annie? In the end, the police found out that there was another deceased person. Where was she? What was the complicated relationship between them? And who was the other deceased person? The police peeled off layers of cocoons, and the truth gradually emerged.
