Qin Guan judged through the autopsy that Song Rou had been pregnant before getting married. By interrogating Wei Yanzhi, he identified the suspect as Wei Qizhi, who had an affair with Song Rou, and he was also left-handed.Qin Wan found undiluted paper confetti in Song Rou's stomach and determined that it was a kind of paper mixed with gold paint. It was speculated that Song Rou swallowed the love letter to protect her lover.
Qin Guan still suspected Wei Yanzhi. He heard that he was in the cold and went to visit him. He found that he was lit in the room, but the window was open, and the incense was lit. He felt that something must be strange.On the other hand, Wei Qizhi was arrested, but he refused to plead guilty.Yan Chi and Qin Wan went to interrogate Wei Qizhi, but found that Huo Huaixin tortured him and forced him to confess, and the two were very angry.After interrogation, Qin Guan found that Wei Qizhi was allergic to lacquerware, so he refused to use paper mixed with gold paint.Wei Qizhi denied having an affair with Song Rou, and his true lover had another person.
At this point, Yan Chi and Qin Wan had confirmed that the murderer was Wei Yanzhi, and they arrested him in time and listed the evidence one by one.Wei Yanzhi could not argue, but he had no regrets.Qin Guan repaired Song Rou's body and gave her the dignity she deserved, Wei Qizhi was very grateful.Yan Chi decided to change his plan to enter the Ministry of War and change it to join the Ministry of Justice, asking Qin Wan to help her investigate the case of King Jin.