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!
When Pierre learns that his parents are not his parents, he wants to find out who he is and where he comes from. Raised in nature, Pierre has never been confronted with society. He does not know the codes. He will team up with Anna who will help him in his quest and cross a whole gallery of characters as funny as tender. But during his investigation, Pierre will lose his colors – like a photo that fades.