sentences:  In parallel, the film tells the story of Juanita (Rosita Contreras), a girl from the interior who comes to Buenos Aires to try her luck with radio, but has little success.One night Argüello, the announcer of Radio Moderna, finds Juanita in the street, decides to help her, and then they fall in love.This couple solve the mystery of the kidnapping of Alicia Reyles at the end of the film, when the station is given a new direction.