A Yorkshire coal mine is threatened with closure and the only hope is for the men to enter their Grimley Colliery Brass Band into a national competition. They believe they have no hope until Gloria appears carrying her Flugelhorn. At first mocked for being a woman, she soon becomes the only chance for the band to win.

Billy Madison is the 27 year-old son of Bryan Madison, a very rich man who has made his living in the hotel industry. Billy stands to inherit his father's empire, but only if he can make it through all 12 grades, 2 weeks per grade, to prove that he has what it takes to run the family business.