Zorro S01E22 - The Unhappy Medium

Don Diego and Victoria suspect that the female medium Miyarana, who claims to speaks to deceased loved ones of people in the pueblo, mainly of the rich, and her travel companion Ricardo Quintano, who sells the poor 'magic' stones, are frauds. Zorro finds out they pay the alcalde 20% for insight in his official records, so they can dazzle their dupes with private facts. After don Alejandro finds them fakes, he is threatened; don Diego comes to his defense and is made to duel Ricardo