Franco and Ciccio mosey into the Mexican border town of Santa Genoviefa. Both are dressed in ponchos, one rides a small mule, one a large one. They are gun salesmen, peddling their wares from town to town.
A small Spanish town is divided between the upper and lower parts. In the wealthy upper part, all the women are barren. Juan from the poor lower part falls in love with Luz, a pretty girl from the upper side: a girl who must of course be barren.
Spanish bullfighter and a Mexican one have a friendly rivalry spanning decades.
