The police went to find Su Muxin's escaped car based on Chen Shuncai's social relations. At the same time, Chen Shuncai also provided the police with a message that Qu Tong was pushed into the river by Shi Muxian and died.Zhou Mi went to Shi Muxian's house to arrest people. When he arrived, Shi Muxian had already burned charcoal to commit suicide.
After Xue Xiaoling helped Su Muxin escape, she thought about it all night and decided to call the police and told her where Su Muxin was hiding.According to Xue Xiaoling, the police found a silver-gray van downstairs of the Qu family's old house, but Su Muxin and Qu Tong were no longer here.Xue Xiaoling exposed Su Muxin to the police, saying that he killed (fake) Su Muxin and Shi Yue.
Through the information provided by Xue Xiaoling, the police successfully found the hidden sodium cyanide bottle under Su Muxin's bed.Su Muxin acted in front of the police. He pretended to ask Xiaoling to help him get the money, saying that he wanted to leave Yunzhou and provide the police with the opportunity to arrest him.In order to get more clues, Zhou Mi asked Wu Dong to arrange for Shen Jing and Qu Lijun to meet in the detention center.