Péter and Pál, two notorious skirt hunters competing in wooing Oana, a pretty Romanian girl on the beach at Tihany. A couple of days later the girl gets a telegram saying that she has to leave for Bucharest immediately. The party - which has increased with Piri, the interpreter, and Ági, the hitch-hiker - gets to a Romanian village by Peter's ramshackle car, a 1921 Colymne. The car, however, breaks down.
The celebrated actor considers his wife a nitwits actress of a mediocre talent. But an influential playwright, a friend of theirs, has written a play with the main role designed for her, Kati, particularly. Its title is "The Most Intelligent Woman in the World". On the day of the first night performance Kati recalls their past, the times she had together with her husband.
Félix, a somewhat clod-hopping young man, finds himself in the Grand Hotel of Little Lagonda, barefooted and in pyjamas. He is soon followed by a hooded, fat and leggy gangster. This is all the more strange as the hotel is under quarantine with the pretext of a plague-epidemic, in order to make it a suitable ground for the negotiations of certain oil-companies.
A new teacher arrives at the secondary grammar school. The girls are all crazy for the handsome, blonde young man, except for the most excellent pupil, Balázs Ági. Yet Pali starts paying his attentions to no one else but her.
Daddy Kárász, the stakhanovist worker, complains in a television interview about the fact that his family, consisting of many members, cannot get a home on their own. Kéri, the chairman of the local authority, promises to help him on the condition that if he does not, they may move in to his villa at elegant Pasarét. Nothing happens, therefore the Kárász family takes Kéri by his word. From this time on, tumultuous scenes and frequent quarrels take place in the villa between the two families.