Ibrahim's life is divided between his serious and reserved father Ahmed, a scaler at the Royal Opéra brasserie, and his friend Achille, who is older than him and specialises in bad tricks. It is precisely because of one of them that Ahmed's dream of regaining his dignity is shattered when he has to settle the bill for a robbery committed by his son that has gone wrong. Relationships become strained but Ibrahim decides to take all the risks to make up for his mistake.