A singer is employed in a boite to find the murderer of his mother.

Following in the footsteps of a woman, a young farmer travels to the city and there he ends up triumphing as a singer on a radio.

A marriage that saves a family from ruin and a student who goes from the books to the radio.

María has a powerful reason to hide the fact that she is Enrique's mother.

Backstage musical: showbiz couple fusses and breaks up, then resolve their problems just before the end.