An actor pursues his ex-mentor throughout Berlin in order to kill him.

Robin is 16 and has had enough: permanent trouble at school and at home. On the run from his dull everyday life, he joins a group of skinheads. The clique strengthens their sense of belonging by beating up foreign youths. This is how the "apolitical" boy slips into the right-wing scene, and it's not easy to get out of it. When they injure a Turkish girl during a robbery, Robin, of all people, is questioned by the police.

Dr. Mad is a brilliant but eccentric doctor who runs a medical clinic like no other. His unorthodox methods and unpredictable behavior lead to hilarious situations and unexpected outcomes. Chaos ensues when Dr. Mad finds himself in a life-threatening situation and must rely on his wit and quirky personality to save the day.