In a quiet and austere boarding school for troubled youth in France, a new and charismatic teacher arrives to take charge. With a philosophy radically different from that of his predecessors, he aims to change the strict rules that dominate the institution and give his students a second chance. This educator, who understands the power of music and creativity, finds in teaching a way to reach the hearts of his unmotivated students.
As he adapts to his new environment, the teacher realizes that many of the boys have been unfairly labeled and repressed by the system. Through unconventional methods, he will foster in them a sense of belonging and dignity, encouraging them to express themselves freely. The classrooms will become a stage where the students will not only learn academic subjects but also the importance of friendship, joy, and freedom.
However, not everything will be straightforward. The strict headmaster of the boarding school opposes his new ideas and is determined to maintain order at all costs. As the teacher challenges the system, tensions rise, leading to touching situations and moments of pure inspiration. The journey of these young individuals towards self-improvement and redemption reminds us that sometimes true learning occurs outside the assigned classrooms and that the passion for life can awaken even in the most dormant hearts.