The heroine was originally the illegitimate daughter of the eldest princess. She was raised by the right minister and married to the male protagonist who came for revenge. The male protagonist overthrew the Prime Minister during her pregnancy, causing the female protagonist to give birth prematurely and commit suicide by jumping into a river. However, she was rescued by her biological father and lost her memory after taking Forgetwort. Five years later, she and her father were practicing medicine in a small town and met her biological son "Tuanzi" by chance. The male protagonist approached him as a "senior brother" and guarded him secretly. In the end, the identity is revealed, and the male protagonist pursues his wife frantically, solving the mystery of his life experience and ushering in a happy ending.
Heroine: The illegitimate daughter of the eldest princess and the adopted daughter of the right minister. She has a tough and kind character. She later lost her memory and became the daughter of a traveling doctor.
Male protagonist: The chief minister of the dynasty. He was originally the son of a noble family. His family was harmed by the right prime minister. He married the heroine out of revenge and fell in love with her without knowing it.
Tuanzi: The son of the male and female protagonists, he is smart and cute, and he is determined to find his mother.
The eldest princess: the biological mother of the heroine, trapped by love, lives in seclusion in a different courtyard.
The biological father of the heroine: Doctor Yunyou, who rescued the heroine and recognized him.
Right Prime Minister: He has a crush on the eldest princess, raised the heroine, and was exiled for framing the hero's family.
Emperor: He has forbidden feelings for the eldest princess and secretly promotes the political situation.
