Mo Xiaoxiao, a modern plastic surgeon, crosses over into the past and becomes the eldest daughter of the Mo family. Her stepmother, Madam Wang, sells her for two taels of silver to Chen Daniu, a man with the mind of a child, to be his wife. She unexpectedly discovers that the ugly stone she carries with her is a spirit artifact capable of connecting to a modern apartment and obtaining modern goods. With her modern knowledge and the spirit artifact's help, Mo Xiaoxiao gathers medicinal herbs and sells fruit to improve the Chen family's living conditions. She also helps Chen Daniu find medical treatment, heals his injuries, and helps him regain his sanity. In the end, Chen Jingyuan holds a wedding for Mo Xiaoxiao. She becomes pregnant, and the two also receive an opportunity to return to the capital to reclaim their family heritage.