Marco and Giuseppe marry their sweethearts Gianetta and Tessa, but neither couple is allowed to leave for their honeymoon, because there is a problem. They are informed that one of the bridegrooms is really the King of Barataria, but nobody knows which. Gianetta and Tessa are delighted with the idea of one of them being Queen, but upset when they are told that women are not allowed to accompany their husbands to Barataria and that they will have to stay behind in Venice