At the middle of Koryeo Kingdom, His Majesty Baek Hyo-Si embosses the Sorim martial art technique at eighteen pieces of beads and keeps it with his body to infiltrate into the land of Koryeo Kingdom. Being aware of such a plan, Ma Ryong-Dae, a Mongolian General, attempts to deprive him of the beads and kills him. The beads is hidden in a reservoir. Twenty years later, Baek Kung, His Majesty Baek's son, who has practiced martial art in the mountains, comes to the town to look for the beads. Then, a man named Mo Ran chases Baek Kung secretly. One day, Ma Yong-Tae succeeds in getting the beads. Baek Kung fights against Ma in order to deprive him of the beads. He recovers the beads thanks to Mo Ran's help. Mo Ran is a girl who was engaged to Baek Kung at her young age.