Roberto Moran (Mariano Mores) has just arrived in Buenos Aires from the provinces to work in a foundry. He can play the bandoneón by ear but wants to have proper training in music at a conservatory run by a frustrated old musician, Don Matias (Ricardo Galache). The old man first rejects both Roberto and his instrument, but after hearing him play, he changes his mind and takes him on, though forbidding him to play popular music, which he despises.
La vie d'un groupe d'Argentins émigrés à Paris durant la dictature militaire en Argentine (1976-1983). Le groupe décide de monter un ballet de tango en l'honneur du chanteur et compositeur de tango Carlos Gardel. Le film est aussi l'occasion de présenter le déracinement et le quotidien de ces exilés.