This drama tells the story of Yun Fei Fei, the headhunter of the Six Sects, and Gu Lin Yuan, a high-ranking member of the Qiankun Gang. The two are incompatible rivals. They were at war with each other the first time they met. However, after the mystery was revealed, they turned out to be lovers who had been separated for many years. So the two couldn't help themselves to be together again and desperately stayed with each other in difficult situations. As the two reunited, the dust-laden mysteries of the year were gradually solved. (Source: Chinese = Douban || Translation = MyDramaList)