The protagonist is the daughter of a modern antique shop owner. She has lived in an atmosphere of antiques since she was a child. An ancient jade passed down from generation to generation became the link between her and her ancestors. However, one day, she accidentally traveled to the Yan Kingdom during the Spring and Autumn Period and the Warring States Period, and became the third princess of the Yan Kingdom, and opened many legendary stories of the Yan Kingdom. She was then chosen to marry by the prince of Qi, and became the crown princess.
