In the rivers and lakes, the two major factions, the Eagle claw Gate and the Snake Gate, have been hostile for generations, and both sides want to eradicate the other completely. On a dark and windy night, the Eagle claw door raided the serpent door, which was washed in blood, and only the elder Bai Changtian (Yuan Xiaotian) got away with it. Bai Changtian in order to avoid the pursuit of Eagle claw door, incognito in the market. One day, Bai Changtian was bullied by market scoundrels, and Chien Fu (Jackie Chan), a handyman from the martial arts school on the street, helped Bai Changtian send away the scoundrels; then, the exposed Bai Changtian was ambushed by the Eagle claw Gate. Fortunately, Jian Fu Road saved his life when he was rescued. Bai Changtian decided to teach Jian Fu Snake Boxing. The clever and studious Jian Fu innovated after learning Snake Boxing and created a snake-shaped tricky hand. Eagle claw door came to the door again, and Jane Fu stood up for the master.