Ada is an eight-year-old girl living in a climate of ongoing tension between her parents. One evening, after a particularly heated argument, she witnesses her parents turn into Monsters. Ada will do everything she can to escape them.
Marie-Line is juggling between odd jobs to support her agoraphobic father. Despite the precariousness of their lifestyle, she remains a lively and cheerful young woman. Yet, after a series of unfortunate events, she is fired from her job and sentenced by a judge to a small penalty. A few days later, this very judge will be in a position to help her get back on track – a chance for Marie-Line but also the beginning of an unlikely friendship.
Paris, today. 38 y.o. Ines, mother of teenage Jules whom she is raising alone, is threatened with eviction. She absolutely must get a stable job to find them a place to live. She is taken on 2 months trial at “Anti-Squat”, a start-up company offering temporary housing in empty suburbs office buildings. But the rules are very strict and the tenants have no rights. As a manager, Ines must live and sleep in the building to monitor the residents. But children are forbidden... She has two months to go, two months to complete her trial period, two months to start a new life at the risk of losing her most cherished values.
Alain, a former mountain guide, decides to change his life and become a teacher. He finds himself faced with colorful ninth graders who are not interested in anything. Seeking to motivate them and bring them together, Alain decides to organize an outing... in the bowels of a glacier. The students discover a breathtakingly beautiful world of ice. The idea that this glacier could disappear is unbearable for them. Trained by Alain, the students throw themselves body and soul into a crazy project: to prevent the glacier from melting and nothing can stop them!