Medieval erotic comedy in which a young man, played by Manolo Otero, comes to a town where he pretends to be tooth-puller and physician. This man is able to invent any potion to quench the sexual thirst of locals.

The seemingly peaceful life of a Castilian little village hides the most turbid and ardent passions. Calixto, a repairman of television antennas, is required by the fiery housewives to quench their sexual instincts.