Munich, World War II: The young Kati Zeiler runs a small barbershop. Her husband Felix is fighting on the Eastern Front. So Kati draws her daughter Marie alone. A bomb attack destroys the shop and the apartment.
Günther, Michael, Barny and Franz, real Munich boys, want to make their own music: Rock 'n' Roll Bavarian-style. Will they go under or make it to the top?