Harry Brown is a somewhat rough and wild university student, who has the ability to win friends, especially the underdogs like Phil who doesn't play 'rugger' and can't sink a whole pint of beer, and African student Reggie. He also has a way with the girls....

When the detective in charge of investigating a series of bank robberies starts to get too close to the culprits, they set up a blackmail scheme to warn him off. But when the crooks begin to fall out with each other, the police learn the truth.