French comedy drama co-written and directed by David and Stéphane Foenkinos. The film follows Nathalie (Karin Viard), a divorced teacher who is envious of a number of the main figures in her life. Jealous of her ex-husband Jean-Pierre (Thibault de Montalembert), a hotshot new teacher at her school and her beautiful 18-year-old daughter Mathilde (Dara Tombroff) who is looking to make it as a professional ballerina, Nathalie becomes increasingly unstable. Unhappy and on the verge of a breakdown, she begins to sabotage the lives of those around her as she struggles to keep control of her own.