The play took place during the three years of Emperor Gaozong's reign. He gradually died under the gun of the gunman. The father of the protagonist Park Yunjiang also died because of the factional dispute. Park Yunjiang was actually the last swordsman in North Korea in the Kaihwa period. In order to avenge his father, he gave up his sword and chose to become a gunman. Three years later, Park Yunjiang returned to North Korea as Hasegawa Hanzo and started the road of revenge. However, he became a hero in everyone's minds, and became lovers with his beloved Xiuren in the turbulent North Korea. After the final reform, Park Yunjiang was dissatisfied with the Japanese. Come, unite with other people to fight against the Japanese, rescue others, fight against Cui Yuanxin in the woods, rely on Park Yunjiang to reach out to defeat Cui Yuanxin, causing Cui Yuanxin to commit suicide, many years later Park Yunjiang and Xiuren lived very sweetly, and Park Yunjiang became everyone The hero sharpshooter in my mind, showing the courage of young people