Duan Yu secretly found out the irrefutable evidence related to Magistrate Du and the Holy Blood Sect, and Duan Yan decided to lead his troops to thoroughly investigate the magistrate's office.At the same time, Du Ruoyun, who had awakened the bloodline of the Holy Blood Sect, used blood magic to kill her personal maid Xianhua while she was unconscious. She panicked and told her father that she didn't know what she had done, and she didn't want to be a saint., just want to live an ordinary life.Magistrate Du was so distressed that he took his daughter to escape from Changqing's right and wrong.Lu Zizheng secretly sneaked into the Duan Mansion and planned to kidnap Gu Qingqiao, but Duan Yu arrived in time to stop him. Only then did Lu Zizheng learn that all this was a conspiracy between Gu Qingqiao and the Duan family. The purpose was to lure Prefect Du into taking the bait, and he immediately expressed his willingness to cooperate.To arrest Magistrate Du, Duan Yu had no choice but to take Lu Zizheng to hunt for Magistrate Du.Several people intercepted Magistrate Du's carriage in the suburbs. During the fight between the two sides, Lu Zizheng killed Magistrate Du on the grounds that he was worried about hurting people, and pretended to find “ Meridian Gate” on his body, framing him as the Holy Blood Sect.host.Du Ruoyun was damaged physically and mentally, and confessed that he was half of the Holy Blood Sect. He was brought back to Duan Mansion for resettlement at the begging of Duan Shaoyi and Xing Si.Gu Qingqiao and Duan Yu still had doubts about the death of Magistrate Du and his identity as the leader of the Holy Blood Sect. Duan Yu ordered Xing Si to search again, but no treasure map was found, so the matter had to be brought to an end.