About 10-15 years after the destruction of Xiangyang City (1273) (about 1285-1290). In the early days of the Mongolian Yuan rule, ethnic conflicts were acute, and under the high-pressure rule, undercurrents of resistance surged. As the saying goes, "A great chivalrous person serves the country and the people." How does the Han Chinese martial arts continue the spirit of Guo Jing, Yang Guo and others, and find a new definition of "chivalry" in a more complex and repressive environment? The legendary love of the older generation (Yang Long, Guo Huang) has become extinct. How can the new generation find their own emotional destination in a turbulent era? How to deal with the relationship with the halo of parents? The destruction of Xiangyang City marked the end of an era. How is the new arena formed? How do old sects survive and develop? How do new forces arise? After losing such peerless masters as Guo Jing and Yang Guo, how will martial arts be passed down? Can the new generation innovate based on unique knowledge? Kill all the enemies and slay the monsters!