Leila is Moroccan, Mathieu is French. They made the decision to get married. The marriage approaches and they only miss one more document: the certificate of Leila's celibacy which will be delivered to them only if the young woman marries a Muslim. No choice, Mathieu has to be converted to Islam.

As Hakim is waiting for the bus after class, he is caught in a vendetta between teenagers. He is not exactly keen to get into a fight, but how can he possibly avoid an awaited confrontation?