MEET two unusual detectives. Ludovico - a young man who has had his testicles cut off for the sake of opera. And Monsieur Arouet - a fraudster, or just possibly the philosopher Voltaire.VISIT the setting. Carnival time in mid-18th century Venice, a city of winter mists, and the season of masquerade and decadence.ENCOUNTER a Venetian underworld of pimps, harlots, gamblers, forgers and charlatans.BEWARE of a mysterious coterie of aristocrats, Jesuits,...