Antoine's only true friend is Mateo (7) the son of his often absent neighbor. One day he hears a piano sonata and becomes mesmerized by the music and obsessed by the beautiful and mysterious... Read allAntoine's only true friend is Mateo (7) the son of his often absent neighbor. One day he hears a piano sonata and becomes mesmerized by the music and obsessed by the beautiful and mysterious pianist Elena, when a dramatic event occurs.Antoine's only true friend is Mateo (7) the son of his often absent neighbor. One day he hears a piano sonata and becomes mesmerized by the music and obsessed by the beautiful and mysterious pianist Elena, when a dramatic event occurs.