The story tells of the free and unrestrained ranger Yun Zhan and his master who are implicated in a mysterious case. Unexpectedly, they are suspected as the culprit by Princess Shi Qiutong and the guard An Xuewu. In the process of proving their innocence, Yun Zhan gradually finds the direction of life and works together with Shi Qiutong to solve the mystery. From then on, they shoulder their mission and responsibility, protecting the people of the imperial city
The story tells of the free and unrestrained ranger Yun Zhan and his master who are implicated in a mysterious case. Unexpectedly, they are suspected as the culprit by Princess Shi Qiutong and the guard An Xuewu. In the process of proving their innocence, Yun Zhan gradually finds the direction of life and works together with Shi Qiutong to solve the mystery. From then on, they shoulder their mission and responsibility, protecting the people of the imperial city