Anne (Léa Drucker), a highly successful French lawyer who specializes in defending abused minors, lives an orderly, affluent life in Paris with her husband, Pierre (Olivier Rabourdin), and their two young adopted daughters. The family dynamic shifts completely when Théo (Samuel Kircher), Pierre’s troubled 17-year-old son from a previous marriage, moves into the house. What begins as domestic friction fast evolves into a highly transgressive, passionate physical affair between Anne and her teenage stepson.