Cinematográfica Julio Joly

During a conversation between a grandfather and his grandson, the latter tells him the story of the liberator General José de San Martín (1778-1850) from the patriot's childhood, through his stay in Spain, his return to the Río de la Plata, the development of the continental plan and the European exile.

The romance of a couple set in the time of Juan Manuel de Rosas with a federal corporal serving as a link.

An American producer arrives in Argentina searching for its most representative artists to film a movie. A group of imitators will try to convince him that they are the real artists he is looking for. The film was conceived as a showcase for the successful radio group "La Cruzada del Buen Humor", the precursor to what would later become "Los Cinco Grandes del Buen Humor", alongside the Cuban vedette Blanquita Amaro.