Chan Ming Lung is taught martial arts by a master, who was crippled 20 years ago. Master took Ming Lung as a student in order to train him up to take revenge. Ellen, Ming Lung's girl, asks him to promise to give up that revenge, but there wouldn't be much of a movie if that happened, now would there ? Four members of the Five Tigers harass the Master and during the fight, the Master is accidentally killed. Ming Lung kidnaps the four, one by one, and tries to find out which one killed Master. But they refuse to talk. Can the Fifth Tiger, who is also the local Intelligence Chief, catch Ming Lung before he takes revenge ?