My father is the only prince alive today. The uncle is the current emperor. Grandmother is the current Queen Mother. Zhao Yu has been the envy of everyone since she was a child. However, her life has undergone earth-shaking changes since her parents disappeared.
In order to find traces of his parents, Zhao Yu followed his master to study criminal investigation data. She lived outside the palace for ten years. Encountering Zhenguo Gong and his son, who were ordered by the emperor to look for her, the two groups got together to find the whereabouts of Zhao Yu's parents.
On the way, they encounter various suspenseful mysteries and face forces from all sides to prevent everyone from finding the reason for the disappearance of Zhao Yu's parents.