A poor composer sells his songs to a music publisher who attributes them to his son, who sells them to a famous singer. Seeking the son, the musician's daughter will unexpectedly find a job as secretary to the singer, disguised as an unattractive and authoritative woman who effectively controls his careless lifestyle.

A son of the Marquise of Seven Almenas is robbed by a crook and deposited in Melchor's house, who sells dolls in the street. The administrator of the Marquise discover the whereabouts of the child and goes to pick him up, but Melchior gives him one of his children, thinking that will ensure the future. Over the years, Melchior, widower, enters as a steward in the house of the marquise where the alleged 'marquis' live splendidly.

Two adventurers without economic resources create an amateur theater company and want to succeed, posing as aristocrats. The project aims to fill the theater with their performances and, thus, to satisfy their debts.