Alberto Medina is a famous composer whose car breaks down while he is on a trip. While looking for help, he finds the Valverdes' house and is welcomed in by Emilia, the mother of the family, who is known for taking in tramps.
Two brothers known in town for their womanizing, drinking and rowdiness meet their matches when two girls who like them decide to tame the two machos.
Martin retired from his job as a hero because of his marriage to Rosario, a beautiful and ambitious girl who passed through the workshop where he works. However, Martin has to return in principle to help a friend from robbers.
