The life of the tenants of a Buenos Aires tenement during the interwar period.

The film tells the story of the payador José Betinotti, a mythical character in Argentine music. It faithfully reconstructs the scenarios of the early twentieth century: the workers' struggles, the party meetings of the caudillos and the circus criollo, the cradle of Argentine theater and music.

An unsuccessful actor wants to get money from his uncle to mount a play, and seeks a woman and a child to make them look like his wife and son.

A doctor with political ambitions leaves his humble fiancée on the eve of the wedding to marry a rich woman.

The story revolves around the relationship of Italian immigrants and Argentines. Nostalgia for his country of origin and life in a strange country. It is a call for the union of immigrants that evokes sentimentality. The film conveys the sensation of the musician, whom an Italian immigrant listens to, and feels "understood and unconditionally loved"