Despite a life surrounded by mystery, Emy tries at all costs to protect Gaëlle from certain realities concerning her, while Bastien struggles to remain in the mold imposed by his father, under the loving but powerless gaze of Louis.

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!

Stéphane, a man in his fifties, sells at the market in Trouville-sur-Mer the last memories he had of his relationship with Anna, his ex-wife. Through his encounters with customers, and as his own memory slowly erodes, Stéphane learns to let go of the past and opens himself to the future.