The Hidden Heiress

Lin Shuyun was the eldest princess of the current dynasty. Because her elder brother appointed her as the successor to the dark emperor,and he feared that her true identity would be exposed and lead to bloodshed. To protect herself, she was sent to secretly learned medicine among the common people.

Later, she hid her identity and married Minister Lu Zixuan. In order to help her husband rise in rank, when she learned that emperor's mother was gravely ill, she used her own blood as an ingredient to brew a medicinal soup. However, she soon discovered that Lu Zixuan was having an affair with the Eighth Princess, and he even gave her a letter of divorce.