Nan Zhixin was the legitimate daughter of Nan Mansion, but she was not favored. However, she was ordered to marry Shen Yuan, the king of Yu Nan who was known to be a murderer.
Shen Yuan is a prince without a wife and children, and he is a brother to the emperor sitting in the court.
The Queen Mother was also worried about King Yu Nan's marriage every day, but King Yu Nan almost traveled between the court and the southern border and never thought about his own marriage.
Although Nan Zhixin was not favored in Nanfu and lived in a house outside the mansion all year round, people in Nanfu basically never visited her and only claimed to be in poor health.
An accident brings Nan Zhixin back to the capital, and the story begins...
Concept: ancient love