Hungary in the 1930s. The world suddenly changes around the peaceful office-clerk and regular, average petit-burgeois Kornél Cassius. Friends and relatives turn up in his home, who soon establish themselves there and even take the upper hand. They continue to arrive in increasing numbers, and turn the well-known objects and patterns of relationships upside down.
Members of the Wild Goose patrol decide to find the little monkeys stolen from the Zoo. They try to make up for what the unruly adults messed up. They keep bumping into the disguised damned ice-cream vendor, the intriguing Bagaméri, who would like to get the reward set for the finder of the monkeys.
Szegedi Anna, a lawyer having just arrived back from Naples wants to divorce his husband, also a lawyer, because since a hot night she has only been thinking of Laczkó, the handsome businessman.
The bitter film grotesque focuses on a Socialist Mafioso. Vágó, the enthusiastic young propagandist is put up at Apuka (Daddy) of the outskirts, Dávid. In the hands of Apuka everything becomes money and he skilfully avoids inspection and controls. In order to help his little family, he sells his rabbit husbandry as mutton, he practises usury on and blackmails his tenants, their rooms are operated as cigar stores.
This mocking criticism of public life and the media focuses on a TV series. The protagonist of the film, depicting the battles fought for Hungarian castles during the Ottoman occupation, is chosen to be the amateur Prohászka Feri, a worker in the beer-factory.
Végh Márta, the teacher is looking for her student Vadász Ica in the Buda villa, but she only finds the tenant, Mrs. Paár - dead. The investigation reveals that Mrs. Paár was murdered for an invaluable stamp, the "Fake Isabella".