Gu Sang, a modern ordinary person, accidentally traveled to ancient times and became a peasant girl who was sold by her grandfather and uncle to have a secret marriage. After she survived, she separated with her mother and younger siblings, and unexpectedly discovered a treasure land of rich lotus ponds. With her modern knowledge and superb cooking skills, she opened a pickled fish shop and a sweet shop, defeated the Zhao family that monopolized the market, became the president of the food shop business, and also founded a medicine shop to benefit the people. Later, she reunited with her father, a general who had returned from the war, and went to Beijing with his father to open a restaurant. She cured Princess Jiaqing's anorexia with her delicious food, and was eventually named "the best chef in the world" by the emperor, starting a legendary life.