Yan Li arranged for someone to beat Pang Yiwen and wanted to vent his anger for Qin Wan, but Pang Yiwen insisted on letting Qin Wan treat him.Qin Guan took the opportunity to torture Pang Yiwen with acupuncture.Yan Li and Yue Ning came to Yunshaofang and planned to inquire about Pang Fuliang and Shuangqing Class.The maid Qingniang found Qin Wan, hoping that she could help Mrs. Pang see a doctor. Qin Wan found that Mrs. Pang had signs of being beaten, and was obviously abused by Pang Fuliang.

But Mrs. Pang chose to endure for her son and daughter.Yan Chi discovered the close relationship between Qingyun, Pang Fuliang and Liu Renli, and speculated that they might be related to the Golden Robbery ten years ago.Qin Guan and Yue Ning rescued Pang Jiayun, who suddenly had a frightening wind, at the lakeside of Qinghui Garden, and sent her back to Mrs. Pang's courtyard. They were surprised to find that Pang Jiayun could sing - Mulian save her mother, and realized that the mysterious person who sang the song before was her.
Qin Wan found that he was penetrated by a long sword in Pang Fuliang's study and his body was poured with tung oil. Suddenly, several rockets shot in, Pang Fuliang was burned to death, and Qin Wan was also trapped in it, but fortunately he was rescued by Yan Chi.After the autopsy, Qin Guan and Yan Chi discovered that the cause of death of Pang Fuliang and four others was extremely similar to that of General Zhang's family who transported gold ten years ago. It is suspected that the real murderer was Qingxi's apprentice Qing Huan, who is now Qing Niang.