Xiao Shiyilang, a rare and not handsome hero in Gu Long's works, is played by Wei Hong.The story tells that the martial arts master Xiao Shiyilang is used to help the weak and rob the rich and help the poor. However, someone commits evil deeds and sends the "Deer-cutting Knife" to entrust Lianchengbi (Zou Sen) to kill Xiao.During the delivery of the treasure sword, it was taken away by Xuanyuan Wudi.Later, Xuanyuan Wudi (Lu Ping) wanted to force the robbery of the beautiful Shen Bijun (Xing Hui), but was discovered by Xiao Shiyilang and rescued him. The hero and the beauty gradually became in love, but Shen Bijun was actually Lianchengbi's cousin, so she had to leave quietly.Xiao Shiyilang's whereabouts were exposed, he was ambushed and seriously injured by Lian Chengbi, and was rescued by Shen Bijun.Later, Xiao Shiyilang learned that the "deer-cutting sword" fell into Xuanyuan Wudi's hands and decided to retrieve the sword...