In the Western Dynasty, the Leng family in the south of the Yangtze River, which had been evacuated for a long time, was suddenly besieged and plotted by martial arts sects. The young master Leng Wei escaped desperately and went to the capital to find the secret behind it all. It turned out that her fate was closely linked to him many years ago. She only wants commoners and noble hairpins to live a stable life in this world, but he wants to rule the world with gold and iron horses...