 Marco is married to Carla, a rich businesswoman. She s off to Geneva for two days; he has a tryst with Monique, a Swedish air hostess. Carla s flight is canceled, so she heads home about to catch Mario en flagrant. Mario s salvation is Enrico, an old school mate and hapless salesman who shows up to beg Mario to buy toilets so he won t lose his job. Mario signs an order in exchange for Enrico s posing as Monique s husband. Carla invites them to stay overnight and join a business dinner party catered by Enrico s wife, Matilde. Enrico spends the evening trying to avoid her, Mario spends it chasing the willing Monique, and Carla wants to close a deal. Can this farce end happily?