In his small apartment, a middle-aged man has reached the end of his tether. He has become indifferent, even to his only true passion, classical music. He decides to end it all. But his plans are thwarted by the jarring sounds from his new neighbor above, a novice celloist. They end up trading selected musical pieces in a ruthless duell...

Dans son appartement, un homme au milieu de sa vie est déjà au bout du rouleau. Même la musique classique, pourtant sa seule passion, semble le laisser indifférent. Il décide de mettre fin à ses jours. Mais son nouveau voisin du dessus, apprenti violoncelliste bouleverse ses plans... S'ensuit un duel à coups de morceaux choisis.