One day, the desk of the famous constable Fang Jueshan held a bloodstained hand. It belonged to the very man many people wanted dead: the leader of the Four Great Villains, "Seven-Finger Diao Da." Late that night, while Fang Jueshan sat lost in thought in his room, a dart pinned a letter to the window lattice. It contained just one sentence: "The one who killed Diao Da was Hu San." So who was the real killer, after all?
