the story took place in the ming dynasty bbb。 yang ao (played by peng jingci) and the imperial physician li heling (played by huang zhizhong) were originally brothers of the same family. because yang ao fell in love with his senior brother heling's fiancee ni shang (played by lu yi), he blamed his senior brother for rape and killing concubine hui. in order to save li heling, ni shang was forced to marry yang ao. li heling had no choice but to leave his hometown and fled to yuancang county, shanxi to open a medical clinic to make a living. many years later, due to a bizarre case, he met liu fuxing (played by zhang weijian), the former magistrate of cang county, and joined forces to solve many doubts. in a murder case, the mistress of fan tai (played by fang zhenhua) under yang ao was found, and he learned the truth about yang ao's frame-up. heling went to beijing to ask the emperor (played by zong fengyan) to rehabilitate himself and received strong help from his old beloved nishang. yang ao killed nishang in anger. he ling joined forces with fuxing to get rid of yang ao, the disaster star, and refused meicha, the chief medical officer, and returned to the world with fuxing...