It is said that the tiger hero Song Wu (Loretta Lee) killed the tiger with three punches, but all the hunters warmly invited him to join the team. Song Wu defected to his eldest brother, Wu Dalang (Fui-On Shing), and was hired by the shrewd Wu Dalang to sell baked wheat cakes. His manpower was extremely low. Song Wu complained all day and finally decided to take the exam for the county government. During a patrol, Song Wu accidentally rescued Guan Er, who was being hunted. Before Guan Er died, he gave a Chinese-style chest covering with a treasure map of "magic weapon". Song Wu checked into the Peninsula Hotel according to the map, and happened to meet Wu Dalang's wife Pan Jinlian (Wang Xi) and his concubine Ximen Qing (Liu Yida) who were having an affair. Liangshan hero, boss Sun Erniang and others stepped in one after another, and everyone was in the store. Ximen Qing with ulterior motives accidentally discovered the secret of the treasure: the original "magic weapon" treasure is not the gold and silver jewelry that everyone imagined, but ... Ximen Qing, who got the "magic weapon", killed innocent people like a god. Sun Erniang pointed out that only when Song Wu and Wu Dalang brothers join hands can there be hope of saving people from water and killing people in fire and water. ...