Cleaner Zhao Wanyin reveals her ancestral Su embroidery ultimate skill, becoming famous in one battle by restoring a wedding dress, and defeating Su Jinyun in the competition. Repeatedly framed by opponents, blacklisted by the industry, and undermined by manuscript theft, she breaks through with lost needle techniques, winning the global embroidery gold award. Unearthing the mastermind behind the scenes, taking apprentices to pass down skills, and promoting the implementation of industry standards for ancient embroidery, Zhao's embroidery is selected as a national-level intangible cultural heritage, achieving a fulfilled romance with Gu Zelong.