A modern daily chemical R&D researcher, Shen Yuzhu, time-travels and becomes a two-hundred-jin fat woman bullied to the extreme in the Great Yong Dynasty. Binding the Gleditsia Fairy Body System, she transforms and grows stronger relying on magical body wash. She breaks ties with her in-laws to demand back her dowry, makes fragrant soap to start a business, and fights back against all kinds of wicked villains and opponents. Defeating the conspiracy of the powerful Chen Ziqian, her career is booming as she leads villagers to prosperity, opens a women's academy, completes her self-transformation, and lives out her life as a legendary female shopkeeper of a generation.