Lila, a student, suddenly disappears after an evening with friends. She had created @lessiffleurs, an account on social networks where she posted a "selfie" of herself with each of the men who harassed her daily in the street. In charge of the investigation, Captain Marianne Kacem cannot help but think that Lila was unconscious to walk around in a mini-skirt and provoke her harassers: she must be found quickly. One event, however, blurs the objectivity of her view: the father of a friend of the victim is none other than the man who raped her twenty years ago, when she joined the police...