Fellini's Casanova more basic urges. The film opens with a carnival in Venice as a prelude to a series of erotic encounters that follow Giacomo Casanova through the cities of 18th-century Europe. The organizers of the festival attempt to raise a gigantic bust from the water; this fails, which is taken as a bad omen. Casanova is then introduced, as he visits one of Venice's islands to copulate with a fake nun for the pleasure of a rich voyeur; Casanova succeeds in entertaining him, but is frustrated that the man finds no interest in his research into alchemy and his further scheming.
Giacomo Casanova could act violently, sometimes calling for a duel. Casanova admits that he was not disciplined enough to be a professional gambler: "I had neither prudence enough to leave off when fortune was adverse, nor sufficient control over myself when I had won." Nor did he like being considered as a professional gambler: "Nothing could ever be adduced by professional gamblers that I was of their infernal clique." Although Casanova at times used gambling tactically and shrewdly—for making quick money, for flirting, making connections, acting gallantly, or proving himself a gentleman among his social superiors—his practice also could be compulsive and