1557, The Wars of Religion threaten France. Behind the ramparts of the castle of Mespech, surrounded by a dangerous, hostile and intolerant world, the Siorac family fights for its survival and its convictions.
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!
Julie would have given up all her dreams if she had listened to the doctors, her parents and others: the disease was threatening to suffocate her lungs. But the sixteen year old did as she pleased, devouring life to the fullest. Madly in love with her first flirt of the same age, she falls pregnant with him and decides to keep the baby. She hides her pregnancy from her parents, from the doctors, and come what may. Julie has defied the adult world, armed with a conviction in the form of a lesson for all: it is because life can be short that it must be intense.
Alexis Pasquier, a young French teacher, begins his first day of classes at the Nancy prison. There he meets Léa, a young woman with whom he falls madly in love. Two worlds open up to him: true love and the prison environment. He will never be the same anymore.