Su Wan, an orphan girl from Suzhou silk merchant in the Qing Dynasty, guarded her ancestral business. After being plotted by her sister-in-law, suppressed by her colleagues and unfairly judged by the government, she faced bankruptcy. With the help of Shen Qingyan, the descendant of Tang Bohu of the Wumen School of Painting, she improved the traditional silk weaving technology, innovated the pattern design, and made counterattacks time and time again to revive the glory of the Su family's silk.