Who is the murderer and in which episode is his wife raped by PUA?

Episode 10.

In the tenth episode, Leng Xiaobing and others found many text messages humiliating Cao Yingxia on their mobile phones, indicating that he pretended to be a good husband on the surface, but in private he was just a beast in disguise. It was Cao Yingxia who suffered from mental abuse for a long time and eventually committed murder impulsively. Therefore, Leng Xiaobing believed that as long as the situation was true and Cao Yingxia personally told her experience of persecution, she could get a reduced sentence.

The play tells the story of a serial murder case that occurred in Haizhou City, a fourth-tier town in the south. After the truth has been sealed for sixteen years, people who are inextricably linked to this unsolved case are inextricably linked to each other. Amid the secrets, we wait for the truth to come to light.