Cai Luo interrogated Zhu Yimeng at night. Zhu Yimeng had indeed knocked over the paint box during an argument with Liang Zijie and stained it with paint. However, he and Liang Zijie were close friends and would never kill Liang Zijie. Luo Youhuo asked him aboutWhy was Liang Zijie so excited when he sold the horse on the wall? Cai Sanlang revealed that the characters painted on the horse on the wall were actually Zhu Yimeng and his lover.
Zhu Yimeng was shocked and admitted that Liang Zijie's painting was the scene when he and his lover Fang Yi parted. He felt sorry for Fang Yi and wanted to buy the painting, but Liang Zijie opened his mouth.Luo Youhuo didn't understand how Cai Sanlang got the true meaning of the painting, but Cai Sanlang learned it from Liulian, and Liang Zijie accidentally revealed it while drinking flower wine.