Li Yunxuan is an ordinary university student in the modern world. After an accident, she transmigrates to the Qing dynasty during the Kangxi era. When she wakes, she finds herself in a prince's residence, where she has become an inconspicuous maid. At first, Li Yunxuan feels lost and afraid in her new surroundings, but she soon realizes this is a chance to change her fate. Drawing on her modern knowledge and keen powers of observation, she gradually earns the respect of everyone in the residence.
By chance, Li Yunxuan helps the master of the residence, Prince Yixiang, solve a difficult problem. Impressed by her, Prince Yixiang begins entrusting her with important responsibilities. Li Yunxuan uses her management skills to help the household increase its crop yields and improve its finances, while displaying extraordinary talent for handling its internal affairs. As time passes, Prince Yixiang becomes deeply interested in Li Yunxuan and gradually falls in love with this clever, strong woman.
At the same time, Li Yunxuan faces challenges from within the household. Another maid, Mingyu, is jealous of her status and talent, and repeatedly sets traps to frame her. But Li Yunxuan uses her intelligence and courage to overcome each crisis, ultimately earning everyone's respect. Through a series of events, her feelings for Prince Yixiang grow deeper, and he eventually decides to marry her as his principal consort. From then on, Li Yunxuan begins her rise from humble maid to an indispensable central figure in the household, bringing it unprecedented prosperity.
