Jeanne Nogarède is a police officer in her home village of Saint-Guilhem-le-Désert. The biggest regret of her life: the case of Emma Vivian, the daughter of one of her childhood friends, who disappeared on her way to school. Five years later, a new element shakes up her understanding of the case. Jeanne discovers online the video image reconstructed by an AI of the young Emma Vivian who explains what happened to her. However, her story contains an element that only her captor could know... or her mother.