Ferrando and Guilielmo think that their fiancés, Fiordiligi and Dorabella, will always remain loyal. Don Alfonso, an old bachelor, bets the two young men that their fiancés are no more faithful than other women are. As part of the bet, the two men pretend to be sent off to battle but instead dress up as two Albanian suitors. After a series of hilarious attempts, the two Albanians mange to gain the love of Fiordiligi and Dorabella. After losing the bet and being enraged at their fiancé's lack of will, the two men decide that they are all a bit wiser. The men still love their fiancés, despite their infidelities, and want to get married.