Spain, medieval period. In Alevín, a Christian locality but inhabited by Muslims, Count Sandro, maximum authority, lives with a great calamity on his back: he can not have descendants. One of his servants, Don Blas Testa de Buey, must travel to the Indies to find a maiden with three moles in his womb. According to what was transmitted to the Count by a false witch, if he has that girl, his misfortunes will end.