The inhabitants of a town try to expel from the place a young man whose only sin is having been the seventh son of a family.
The lives, loves and vicissitudes of a group of circus performers in the Argentine Pampas around the turn of the century are played out in this drama with songs.
A singer is employed in a boite to find the murderer of his mother.
Agente "Bicho Moro"
A policeman's daughter runs away with a rustler and he (her father) chases them.
