He Zhixi grew up in Qingxu Temple. After coming down from the mountain, something unexpected happened. His father He Wannian, a general at the border gate of Fengye City, defected to the enemy and rebelled, and Fengye City fell into the hands of the Beiyi. In order to find the truth and avenge her father, He Zhixi traveled to the court where disputes continued and went deep into the bitter cold grassland of Mobei. A little girl who came down from the mountain finally became the lord of the city.