The martial arts conference is about to be held, and the leader of the martial arts alliance Mu Liulei orders his second brother Mu Liuxiao and third brother Mu Liuyun to go to the bank of Dongting Lake to greet the heroes. The two met the mysterious woman Qin Ruo by chance at a lakeside restaurant... What is the relationship between Qin Ruo and the wife of Mu Liubing, the fourth son of the Mu family? What is the connection between Qin Ruo and the re-emerging Dark Night Sect? Can Qin Ruo and Mu Liuxu finally get married? And what kind of mystery is there about Mu Liuyun?