It tells the story of a green forest hero named Flying Swordsman who was persecuted to death by the Manchus during the Chongzhen period. His son abandoned martial arts and became a scholar. He pursued a Manchu woman from the Yellow Banner and moved towards the core of the Qing Dynasty step by step. He assassinated Nurhachi, Huang Taiji, and Dorgon. However, the world is not that simple. Who is Geng Diao, a master of Eastern martial arts, or a Western knight? Who is the person from the future? Will Xin Kecheng become the master of this world? What impact will the mysterious extraterrestrial gods have on the earth?