Clement (Jean-Pierre Léaud) lets teenage junkie Louise (Judith Godrèche) live with him while he tries to help her. However, when his estranged son, Adrien (Thomas Langmann), shows up one day and moves in, the situation becomes tense. Louise and Adrien fight constantly, until they settle into a mutual understanding that eventually turns into a burgeoning love. After Adrien and Louise move out together, their struggles are compounded by the fact that Adrien is on the run from the police.