In a working-class district of Paris, Albert, an impecunious street singer, lives in an attic room. He meets a beautiful Romanian girl, Pola, and falls in love with her; but he is not the only one, since his best friend Louis and the gangster Fred are also under her spell. One evening Pola dares not return home because Fred has stolen her key and she does not feel safe. She spends the night with Albert who, reluctantly remaining the gentleman, sleeps on the floor and leaves his bed to Pola. They soon decide to get married, but fate prevents them when Émile, a thief, deposits with Albert a bag full of stolen goods. It is discovered by the police, and Albert is sent to prison ...
