While hiding from the royal authorities, Giacomo Casanova, the famous romancer, encounters his look-alike: Giacomino, a fugitive petty con man. Meanwhile, the Arabian Caliph and his wife are arriving in Venice for a state visit, and she insists on a night with the legendary lover. Through a series of erotic encounters and mistaken-identity comedies, Giacomo and Giacomino make their way back to Venice for their appointment with the Caliph's wife.

While hiding from the royal authorities, Giacomo Casanova, the famous romancer, encounters his look-alike: Giacomino, a fugitive petty con man. Meanwhile, the Arabian Caliph and his wife are arriving in Venice for a state visit, and she insists on a night with the legendary lover. Through a series of erotic encounters and mistaken-identity comedies, Giacomo and Giacomino make their way back to Venice for their appointment with the Caliph's wife.