The male protagonist is from a merchant family in the Ming Dynasty. The purpose is to get rid of the merchant's low status, and the marriage is arranged by the family. A concubine who became a fifth-grade official. The little concubine has been looked down upon since she was a child. Her mother died in childbirth and she grew up alone. At first, the male protagonist disliked her very much, but after getting married, some things changed. However, the female protagonist doesn't like the male protagonist either. Eventually, she goes through the male protagonist's routine, falls in love with him step by step, and lives a happy life.