The duke's daughter Jiang Wanqing devoted herself to the marquis Xiao Jingyan, who still loved Su Mengyao. When Su Mengyao moved in and deprived Jiang Wanqing's son of his birthright, Jiang Wanqing left. Su Mengyao attempted to poison Jiang Wanqing but accidentally killed Xiao Jingyan.
