During the heyday of Emperor Kangxi of the Qing Dynasty, Zhaojia Chenxiang (played by Zhou Dongyu), who had been a maid in the palace since she was thirteen years old, spent seven years with her good friend Liuli (played by Zhao Liying), who also worked at Qianxi Sisuo. In the inner court of the palace, the girl's love could not be stopped. The simple and ignorant Chenxiang secretly fell in love with the thirteenth prince Yinxiang (played by Chen Xiao). The relationship was predetermined, and the two young men and women with huge differences in their identities had a good impression of each other. On the other hand, Liuli was accidentally favored by the ninth prince Yinzhen (played by Zhu Zixiao), but was later abandoned. She was full of jealousy and vanity in her pursuit of wealth, so she pretended to be betrothed to the thirteenth prince in the name of Chenxiang. Chenxiang hid her grievances in her heart and served Liuli and her beloved Yinxiang as a close maid, and in the process she got closer and closer to the thirteenth prince. In the palace full of conspiracies and power struggles, can Chenxiang renew her relationship with her sweetheart...