Musical notes make colors in Henri's head. Social interactions are the great enigma of his life and the tension of a piano's chords are the center of his world. Today, Henri has reached a decision: he is going to go to the music academy try his luck. But he must face Julia, the competition favorite. She is his only friend and his greatest rival.

United by the unexpected inheritance of a house in Normandy, four estranged cousins discover their family history by retracing their ancestor's steps.