Marko Stemper, 19 years old, comes from a disadvantaged background and works as a window cleaner. His father, an alcoholic, tyrannizes the whole family, so Marko's only joy in life is boxing. As he is the most promising talent in his club, Gerd Hermsbach, a local demimonde boss, offers him the opportunity to become a professional. Marko accepts, but has to pay a high price...
Daniel Brühl
as Marko Stemper
Manfred Zapatka
as Gerd Hermsbach
Jochen Nickel
as Axel Stemper
Angelika Bartsch
as Renate Stemper
Erhan Emre
as Bülent
Thierry van Werveke
as Kopella
Jana Thies
as Sara
Luana Bellinghausen
as Verena Stemper
Ali Çakır
as Ali
Mircea Krishan
as Nessel
Sebastian Schipper
as Baerwald
Hilmi Sözer
as Cem