武松出差，行前劝哥迟出早归，告诫嫂早关窗门，祸起萧墙，篱牢犬不入。 一天金莲下簾， 杆打在窗下路过的西门庆。 西门开药铺，贿官发迹，浮浪悠闲，眠花卧柳，见金莲妖娆， 拖她邻居王婆牵线。王婆手续费是棺材费。

The younger Wu will be on assignment, before departure, he warns his brother to leave late and back early each day, and he also warns his sister-in-law to behave.  One day Jin closes window, hitting Mr. Ximen Qing who passes under, Ximen, a drug store owner, making fast money by bribery, is a womanizer, when he sees the beautiful Jin, he asks Mrs. Wang,  Jin’s next door,  for match-making. Wang demands a service fee that she can use to buy her own coffin.