Sofía "La Negra" Bozán was an Argentine actress of vaudeville, theater, film and tango singer between 1925 and 1958. She was a true Buenos Aires star who disappeared in the middle of her career.
The granddaughter of the watchman of a theater that is going to be demolished has the dream of being a successful female singer like her mother and the son of the theater owner makes it possible.
Anselmo works as the patron of a ranch and he is dating Elvira. One day, a visiting businessman from the city hears her sing and offers her a contract to work in Buenos Aires. She accepts and Anselmo is heartbroken.
