The emperor of the Han Dynasty was obsessed with beauty and wanted to overwhelm the country. He couldn't get it from Yu Yu for many years.
There is a daughter in the Yang family who has just grown up. She is raised in a deep boudoir and no one knows her.
Bai Juyi's "Song of Everlasting Sorrow", if you look closely, there is a lot of mystery.
For details, see the breakdown.