A geographical-musical walk through Argentina. Beautiful landscapes and the popular festivals of each region.

The life of the city of Buenos Aires and the history of its music from its origins, with musicians and dancers.

Various musical episodes make up this film-magazine in which Del Carril tried to merge his two great passions: cinema and tango.

A man and a woman fall in love in the streets of a nocturnal Buenos Aires.

A cabaret in Buenos Aires on Christmas night.

The plot reflects the figure of Pascual Contursi, tango poet. In love with a singer, he leaves his wife and son to go with her. Some time later, the singer leaves him and he composes the tango that gives the film its title.

Obsessed by a Mexican singer, an Argentine doctor arrives in Paris; Far from his land he begins to find his true identity transforming into a singer of tangos.

The members of a Buenos Aires family have three hobbies — "berretines" in Buenos Aires slang — that keep them apart of their duties. Because of that, the family business is going down, and the only one who is concerned is the father, who hopes for his fourth son, an architect, to save the situation.