Julie Castro has been missing for over eight years. Her mother Suzanne searches in vain for a sign of life. While visiting a patient, she sees Julie's face in a photo of a recent protest that appeared in a newspaper.
Following the discovery of Anais' body, suspicion falls on Suzanne. For her, the disappearance of Julie has a direct link with the murder of Anais. Gabrielle Varan, a young police captain, is in charge of the investigation.