As the son of Pei Min, a famous border general, Pei Yunzhou lost his family because his father was falsely accused of collaborating with the enemy. After being rescued by his father's old troops, he went into hiding and grew up in a blacksmith shop in Xishi, Chang'an, where he developed martial arts skills.
Pei Yunzhou accidentally rescued Yuan Zhen who was being hunted, and became involved in the imperial conspiracy. He showed extraordinary martial arts and military talents, attracting the attention of all forces.