Shen Yuan, the young minister of the Ming Dynasty, found a purse on the plaque of the Ming Dynasty. When he opened it, he found a bloody ear. Through his investigation, the truth about a murder case a year ago was discovered. Shen Yuan followed this clue and excavated layer by layer. Su Yunqiu, the daughter of the governor, Zhao Xuan, the fifth prince, Duan Shaowen, etc. Were all involved, and step by step he uncovered the truth about the old affairs of the court and the secrets of the harem that had been hidden for many years. And all of this turned out to be intentional.