Xiao Haoxuan's son Xiao Yunxian saved the old monk of Haiyue Temple. The old monk met Guo Xiaozi who went home to bury his father. Guo Xiaozi advised Xiao Yunxian to contribute to the country in order to make a name for himself in history.

Xiao Yunxian and Guo Xiaozi's apprentice Mu Nai went to join the army and came to Pingshaobao Army. Xiao Yunxian was rewarded with the title of General Xiao Yunxian, and Mu Nai was rewarded with a canteen at any time.

Xiao Yunxian led the troops to attack Qingfeng City, and both wars were successful.