The heroine travels to Beijing, and her aunt and uncle are unemployed at home. After being accidentally involved in the case for the first time, she joins the investigation team as a partner of the hero. After several major cases, it was discovered that things seemed to be converging on one main line. What was hidden behind the sudden appearance of the Northern Desert sergeant, the Northern Desert caravan submerged by the wind and sand, the sudden death of several officials in Chang'an overnight, and the secrets that some people did not want her to know even to the death?
