The Story of Yan Xi Palace tells the story of a young girl named Wei (Wu) who was elected to the palace with a group of young women of the same age in the early Qianlong period of Qing Dynasty. Luo Yan is beautiful, alert, gentle and blue-hearted, but her original intention of entering the palace is different from other girls. Because her sister was killed, she decided to go into the Forbidden City to track down the murderer. Fu Heng (Sousou), the younger brother of the emperor who wrestled, is the real murderer, and he approached each other with a pretence.