A humble theatrical prompter becomes a star of the song recreating with his voice and image the traditional iconography of the roads traveled in his longed-for land.
A capricious lady resigns herself to work as the host of a female radio program where she sings jingles and gives advice on cooking and gardening, putting aside her love of police novels, but she will find herself involved in a murder.
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.