Luisa lives with Mathieu, the man she loves, and Arthur, Mathieu's son by his first wife, who died in an accident. But Arthur, whom Luisa has been raising like her own, suddenly disappears from school and no one claims a kidnapping.
Jérôme has killed Driss, of Moroccan ancestry, who used to be his best friend. Is it an accident, a drama caused by jealousy or a racist murder? The story of Jérôme's long drift is discovered as the police carry out its investigation.
