Shen Caibing, daughter of a condemned minister, has a pair of eyes that can see through any fabric in the world. From a lowly maid in the Laundry Bureau to the chief craftswoman of the Imperial Artisans' Bureau, she uses nothing but a needle to unravel the old case against the Shen family. Yet the ruthless Commander Pei Zhaoye, the hound who personally had her family executed, has a tassel from the Shen family's sword tied to his own. The truth behind the fire goes far beyond a single weaving chart.