A clever Shaw Brothers wuxia comedy about a young antihero (Tony Leung Siu Hung) getting himself and his friend (Max Mok) into all kinds of trouble and ultimate defeating the "Heavenly Demon" (Chen Kuan Tai). Lightning fast action, pleasant humor, great acting and a helpful modern-day narrator makes this an unusually enjoyable Shaw Brothers production.

Bruce Liang plays a Chinese Kung Fu movie star, who during his free time carries on a one-man crusade against drug dealers. The villains trick Liang into signing up to appear in a new martial arts movie. The plan is to kill Our Hero while the cameras are running, and make it look like an accident.

Three young martial arts students and their teacher are beaten up badly by a wandering man who proclaims himself "a corrector of bad kung-fu." Determined to avenge their teacher and regain their honor, the three students all go their separate ways to find kung-fu masters who will take them as students.