China's beauty at the end of the Spring and Autumn Period, as famous as her teacher, was bowed by the King of Yue and selected as one of the beauties of Wu to confuse Fu Cha, the King of Wu. In Vietnam, he taught etiquette and learned to sing and dance.

In the first 473 years, the army of the State of Yue captured Gusu, the capital of the State of Wu, and the State of Wu perished. Zheng Dan died in Wu Palace and disappeared from the scene.