It was by far the most terrible week of his life. And it was only Tuesday. Paul Uhlenbrock is dragging himself through life: he hates Berlin and he hates his job at the call center. And he doesn't like Kuli, the new, overly clingy colleague, either. But then Kuli and Paul inadvertently become witnesses to a crime over the phone. The next day, a young florist is found dead, and there’s a photo in Kuli's mailbox: it shows the victim with a famous Berlin politician - in a compromising position. Suddenly, Paul's ambition is ignited. He and Kuli stumble right into a highly sensitive case that quickly proves to be at least one size too big...