Arcadia returns to Barcelona in 1949, accompanied by her aunt Inés, a viola and a suitcase full of memories. As the daughter of Republicans living in exile in France, she takes refuge in her passion for music to help her survive the oppressive atmosphere of the post-war years. One day she meets Javier, a promising law student, who soon becomes the centre of her life. They are capable of facing up to everyone and everything just to keep their relationship alive, until Arcadia's independent, rebellious spirit becomes a social stigma that seals their fate. Música de cámera is the story of the love between two young people who belong to worlds that are not just different, but opposing. And it is also the story of how the two lovers meet again in the autumn of 1984, and the long night they spend in a disturbing but lucid reflection of the intervening years.