Modern-day overworked office employee Jiang Yunshu unexpectedly transmigrates into a novel, becoming a 150-jin (75-kilogram) vicious, overweight female supporting character. Worse still, she has just caused a scandal by making advances toward the aloof scholar Shen Yanchen. Determined to change her fate and avoid her tragic death, she decides to turn over a new leaf. Using modern business ideas, she starts a braised-food business and works her way toward wealth, all while honoring her promise to financially support Shen Yanchen in his imperial examinations. From mutual suspicion to gradually falling in love, the two join forces to overcome the schemes of rival businesses and political turmoil. In the end, Jiang Yunshu builds a thriving business, Shen Yanchen achieves the highest rank in the imperial examinations, and the two find happiness together.