sentences:  In both novels, he is portrayed as a lascivious and immoral man who starts a secret affair with Pan Jinlian and helps her poison her husband Wu Dalang to death.Where the two novels differ is what happens when Wu Dalang's brother Wu Song confronts Ximen Qing at Lion Tower.In "Water Margin", the older novel, Wu Song kills Ximen Qing in broad daylight and is exiled.