The martial arts masterpiece "Heroes of Xiya" tells the legendary story of an upright orphan, Li Xiya, who uses scientific knowledge and black technology to venture into the ancient martial arts world of the Later Jin Dynasty with his passion. "Heroes of Xiya" is a bold innovation based on traditional martial arts dramas. The story is set in the post-Jianghu era when knights have become a profession. As long as people participate in the knight examination system like the college entrance examination or the imperial examination, they have the hope of becoming a hero. The protagonist Li Xiya, who loves scientific inventions, accidentally explores the secrets of martial arts, thus opening a new era in the world of martial arts.