Elsa Valentin is in the middle of a brutal divorce and custody battle when she is struck by the appearance of a pretty young girl named Lola (Héloïse Cunin). Her interest in the child grows to an obsession, and she finds any possible excuse to be near her. When Lola's mother, Claire, grows unnerved by all this, Elsa admits she believes Lola is her daughter.
| Actor | Role |
|---|---|
 Catherine FrotElsa Valentin | Elsa Valentin |
 Sandrine BonnaireClaire Vigneaux | Claire Vigneaux |
 Wladimir YordanoffBernard Vigneaux | Bernard Vigneaux |
 Antoine ChappeyAntoine | Antoine |
 Michel AumontAlain Valentin | Alain Valentin |
 Michèle MorettiColette | Colette |
| SSophie QuintonLaurence | Laurence |
| GGeneviève Rey-PenchenatMme Corlet | Mme Corlet |
| HHéloïse CuninLola | Lola |
| AArthur Vaughan-WhiteheadThomas | Thomas |
 Zacharie ChasseriaudJérémy | Jérémy |
 Mehdi NebbouLe policier | Le policier |
 Marie-Julie BaupL'infirmière | L'infirmière |
 Pascal ElsoL'homme du bar | L'homme du bar |
| IIsabelle SiouUne amie | Une amie |
 Sarah SternLa vendeuse | La vendeuse |
| MMarie MonteganiCatherine | Catherine |
 Clémentine YelnikAnna | Anna |
| NNouma BordjLa caissière | La caissière |
| MMichel Saint-JeanUn ami | Un ami |
| AAlexandre DelamadeleineLe serveur | Le serveur |
| CCédric KerguillecLe marié | Le marié |
| EEric GallienneLe danseur | Le danseur |
| MMarie-Claire SadlerLa prof de danse | La prof de danse |
| CCyril Gomez-MathieuLe barman | Le barman |
 Safy NebbouLe client de la pharmacie | Le client de la pharmacie |