The first Ling Lutang messenger from Youyan suddenly visited the Burial Sword Pavilion and invited Rou Huaiyi, a famous swordsmith who had been hidden for a long time, to come out and recast the ancient Yu sword. Was a series of things that happened in Youyan a coincidence or a conspiracy? Is the emergence of a famous ancient sword a blessing or a disaster for Jianghu? A twenty-five-year conspiracy has continued to this day, where will it go from here?