Jérôme Kert and his wife Maud failed to overcome the loss of their baby, abducted a few months after his birth. More than a dozen years after this terrible event, they still have not founded a family and Maud is terribly hardened. But one day, during a business trip to Istres, Maud sees an 11-year-old girl wearing the same birthmark as her missing child. She is convinced that this little girl, Zita, is her own. She discovers that she is raised by a 35-year-old singer, Johana. Taking advantage of the precarious financial situation of the young mother, Maud does everything to interfere in the daily life of Zita in order to recover her ..