Tells the story of Yun Feifei, the head of the Six Gates, and Gu Linyuan, a high-ranking official of the Qiankun Gang. The two are mortal enemies who are incompatible with each other. They are on edge when they first meet, but after unveiling the mystery, they are actually lovers who have been separated for many years. So the two can't help but fall in love again and stay with each other regardless of everything in the difficult situation. As the two reunite, the mystery of the past is gradually solved.