It's also titled The Pavilion of Flowers. The story happened in the Tang Dynasty. One day, Emperor Xuanzong of the Tang Dynasty invited his favorite concubine, Yang Guifei for a drink. Yang Guifei went there and prepared everything ready. But Tang Xuanzong didn't come. Then Yang Guifei learned that the emperor went to the palace of another concubine. Yang Guifei was jealous. She drank the wine herself until she was drunk. She played with the eunuch and went back to the palace later.