Nadia a élevé, seule, son fils Noé en banlieue parisienne. Elle est fière quand il est accepté en seconde dans le prestigieux lycée Henri IV. Pour favoriser ses études, elle déménage dans Paris et s’endette pour lui offrir ce que les autres ont. Elle découvre le plaisir d’acheter, développant sans le savoir une addiction à la consommation. Alors même que son fils réussit à s’adapter à son nouveau Lycée, elle ne peut plus s’arrêter.

Imagine, if you will, a somewhat contented married woman finding out her husband's infidelity during the celebration of a birthday party. That is what happens to Marie-France, when her husband, Henri, pulls out panties from his pocket to be used as a handkerchief. Marie-France becomes furious, storming out of the house. His son, Sebastian and his wife, Clementine, a struggling couple, decide to take Marie-France to their tiny apartment, something they feel it is a temporary arrangement. Little did they know what they were getting into...

Thierry, an ethnologist specializing in the Sami people, travels to his native Switzerland with his partner, Sophie, to attend his grandmother's funeral. There he reunites with his family and discovers that he has inherited two million Swiss francs, but that in order to obtain it, he will have to pretend to adapt to the Swiss values and lifestyle that he had rejected. To do so, he agrees to undergo a sort of crash course provided by his Swiss cousin Aloïs, who seems to have his eye on Sophie.

索邦大学法学院学生维克托·米索尼耶（Victoire Misonier）被指控谋杀查尔斯·萨德（Charles Sard）大师。绝望的维克多向刑法教授塞萨尔·嘉宝寻求帮助。在两名学生助理的陪同下，他们试图追踪受害者（索邦大学的一位杰出教授）的非典型职业生涯。