This European drama, set in Paris, follows a brilliant musician as he suddenly forsakes his career, to live and love amongst the common populace. Armand is the violinist who yearns to experience that life and to share his music with everyone, not just the wealthy and the elite. He leaves the glittering world of classical music without a backward glance and takes up residence in the Paris metro where he is surrounded by beggars and tramps. There he meets and becomes friends with Lydia, a metro employee..