After the death of her country and family, Gu Wanci, the former princess of the dynasty, became the proprietress of a silver shop in the capital called "Broken Snow Xuan" incognito. She is proficient in silver casting, but in fact, she used the silver jewelry trade to secretly collect the truth about the time when her father was poisoned and the city fell instantly. However, a "Pink Skeleton Case" involving banned drugs in the palace broke her peace, and she was targeted by the cruel and cold Regent Xiao Lie.