Su Wan, the adopted daughter of Duke Su Lie, met an unkind person and died of depression shortly after giving birth to Su Li'er. After Su Wan died of illness, Su Lie brought his granddaughter Su Li'er into the Duke's mansion and met his granddaughter Su Jin'er. Su Jin'er and Su Li'er have been in love for a long time, but grinding mirrors has always been despised and regarded as a bad habit... Faced with the obstruction of the family, everyone criticized...