The year is 1963 and Jim Maclaine, star of That'll Be the Day has grown his hair, grown up and become a singer with a rock and roll band called the Stray Cats. Performing to bored audiences in seedy clubs, they live on dreams of becoming as famous as the Beatles or the Rolling Stones. A combination of luck, ruthlessness and a lot of hard hustling on the part of Mike Mennery, Jim's old fair-ground friend, makes the Stray Cats rock and roll superstars.But just when they have achieved their dream, it starts to go sour...