Su Wanyue, a young widow from the "Su Ji Embroidery Workshop" in Yangzhou City, faced the triple crisis of her husband's early death, the eyeing of family branches, and the heavy government taxes. With her unique embroidery skills and thorough human wisdom, she successfully The small shopkeeper who guarded his ancestral business gradually expanded his embroidery workshop to a ten-city chain. In cooperation with Gu Mingyuan, a new consultant, he used business methods to leverage local people's livelihood and resolve difficulties such as the salt tax crisis and the famine in Orihu. During this period, she had to deal with the family fights about her mother-in-law being partial to her young uncle, and the hidden agenda of collusion between officials and businessmen. In the end, not only did "Su Ji" become a tribute embroidery in the south of the Yangtze River, but she also trained her young son to become a talented person in the imperial examination. She was revered as "Sister Su" and wrote the legend of the counterattack of an ancient businesswoman without a golden finger. The highlights focus on the high-profile scenes such as cleverly defeating the bid-rigging bureau, cleverly solving the tax bank case, slapping the side branch who added insult to injury, and supporting Orihu to tide over the disaster years.