She is the princess of the Yao Kingdom, known as the "Unruly Princess". Due to a plot by a traitor, she had to marry the unfamiliar Prince Yue, but the person she married was not a good man.
He is the King of Yue, known as the "King Xiaoyao". He has sworn never to marry and retains the position of princess for his beloved. However, due to the needs of the country, Emperor Yue uses his position as princess to marry the princess of Yao.
She is the legitimate daughter of the Hou family. She thought she was dead because she was poisoned when she saved her sweetheart. But when she opened her eyes, she found that she was still in the world. But when she returned, she had changed.