Alice and Louis are brother and sister. She is an actress; he was a teacher and poet. For more than 20 years, Alice has hated her brother. In all this time they haven’t seen one another. The death of their parents brings the siblings face to face.

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.