Maria-Pilar is the new wife of an Algerian gangster whom the police have just arrested. The son of a first marriage arrives in Algiers from which he has remained far away for a long time. His stepmother, charmed by the teenager, gradually experiences a devouring passion, against which Michel tries in vain to fight: he loves a young girl, Sylvie. Mad with jealousy, his stepmother singles him out for his father's vengeance by distorting the truth. Michel does not escape his father's fury, but when...