The life of a psychotherapist is shaken when she gets a young actress as a patient.
When psychotherapist Sibyl (beautiful role of Virginie Efira) decides to cancel many of her patients to write again, she is contacted by the young passionate actress Margot (Adèle Exarchopoulos). Margot is in big trouble because of an affair and begs Sibyl for an appointment. Sibyl agrees and gets intrigued by the young woman. She secretly records the conversations as inspiration for her book and becomes more and more involved in Margot’s life.