A couple of friends, "Carmen" (Silvia Solar) and "Miguel"(Germán Cobos), fail to raise the money needed to marry. These difficulties encouraged the illusion of the boy, who wants a shot leaving for another country. The dreams of "Miguel" are approved and encouraged by "Don Pablo", (Pepe Isbert) musician of the Municipal Band and uncle of Carmen, in his years young was unable to reach them. On the other hand, Carmen lives with his aunt "Antonia" (Matilde Muñoz Sanpedro), which does not speak with his brother "Don Pablo", and whose sole ambition is to see married her niece, because in order to "maid" in the family there is enough with her. But with the arrival in Cádiz of the president of a south American country, everything is going to change course.

Una pareja de novios, Carmen y Miguel, no consiguen reunir el dinero necesario para poder casarse. Estas dificultades alientan la ilusión del muchacho, que quisiera probar suerte marchándose a otro país.Sueños que son aprobados por don Pablo, músico de la Banda Municipal y tío de Carmen, que en sus años mozos no pudo llegar a realizarlos. Por otro lado, Carmen vive con su tía Antonia, que no se trata con su hermano don Pablo, y cuya única aspiración es ver casada a su sobrina, ya que para "solterona" en la familia hay bastante con ella. Pero con la llegada a Cádiz del presidente de un país sudamericano, todo va a cambiar de rumbo