Fantinar is heading to Paris for his wedding ceremony with the daugher of a rich nursery owner Nonankour. In the woods his horse eats the straw hat of a married lady that is hiding in the bushes with her lover. The lady cannot return to her suspicious and jealous husband without a hat and Fantinar is obligated to find a similar one. The act includes the following: The desperate seek of the rare hat, the marriage that is in danger of canceling, the chase of Fantinar by the bride, the father-in-law, and the wrong persons impact at the wrong time. All these make the act one of the most pleasurable comedies of the French civil theater.