Three teenagers get into a confrontation with a homeless man in a subway station. After a series of mutual provocations, the man ends up dead. How did this happen? The parents of these sheltered youngsters are unable to get through to them. When their parents all agree to cover up the crime to protect their children, the teenagers refuse to do so. Was it just an accident? Or self-defense, or maybe even murder? Mira, Fabian and Jakob refuse to say a word.