After working a grueling 36-hour shift as a medical intern, Xia Zhile unexpectedly dies and finds herself in the body of the overweight Zhile from 1987. The original Zhile was a selfish woman who treated her children and husband poorly, only caring about herself. Upon arriving, Xia Zhile discovers that Zhile's child has been severely injured with a broken leg, and her husband, Cheng Zui, is on the verge of divorce. In this unfamiliar era, Xia Zhile is alone and helpless. She does everything she can to mend her relationship with her husband, while genuinely caring for the two children. After going through various challenges, Xia Zhile successfully loses weight, using her special abilities and supernatural space to become a successful career woman who frequently helps others. She also manages to rebuild her family, leading to a happy life for all four members.