During the Northern and Southern Dynasties, Mu Chen was born into a wealthy family. Her mother disappeared when she was young. In her memory, her mother had a strange embroidered handkerchief that hid some mystery. Mu Chen met the general Xiao Yan. She was resourceful but failed in love. She used the pseudonym Pan Yu'er to get close to the emperor Xiao Baojuan and entered the palace to find her bride. At the same time, she also wanted to avenge Xiao Yan. Mu Chen helped Xiao Yan gain the throne step by step. After Xiao Yan ascended the throne, Pan Yu'er went outside the palace and learned that Xiao Yan was in trouble. With the help of the disguise master Miao Lixu, she returned to the palace and assumed the pseudonym Wang Yuanzhi. However, at this time, there was already the queen and the concubine of the previous dynasty. Bai Xian, who had rescued her, also became Xiao Yan's concubine due to her greed for power...