Shen Mingzhu, an orphan who makes a living selling fabrics in the marketplace, unexpectedly gets recognized by the Chancellor's household and becomes their biological daughter, who had been missing for eighteen years. Faced with the family's snobbery and the false heiress's schemes, she sees through the coldness of family ties and focuses on using the Chancellor's connections to grow her fabric business. With her exceptional dyeing and weaving skills and sharp business sense, she partners with imperial merchant Wei Zhao to establish Shen's Fabric Shop. She skillfully counters every scheme and overcomes every crisis, ultimately becoming Great Zhou's sole imperial textile supplier and achieving both business success and independence.