This is one of Sun Chung's last martial arts movies for Shaw Brothers, but it's a delightful winner starring international favorite Alexander Fu Sheng as the title character - who keeps testing the patience (and kung-fu skills) of his father, played by award-winning character actor Ku Feng. But when a corrupt local dignitary conspires with evil outsiders and even ninja, the father and son unite to take them all on in a non-stop display of comic action prowess