Lt. Kojak arrives in Budapest as a guest speaker for the 'International Crime Writers Conference'. Soon after he starts enjoying the pleasures that the city has to offer, he assists his old friends at the police department with a case. The case involves solving the murder of a noted scientist, unaware that a Mafia hit man and his female companion are targeting him.
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.
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.
A comedy about two twin brothers - Sándor, who emigrated and became a rich man, and Zoltán, who stayed in Hungary and lives the life of an average working-class man. When Sándor visits his twin brother, they are constantly mistaken for each other, and when Zoltán sees how differently people treat Sándor because of his money and his foreign citizenship, he begins to like being mistaken for him - until he realizes that this means he will lose his girlfriend Szöszi...
This is a satirical comedy poking fun at favouritism. Kis Jenő proposes to Malvinka each year, but in vain, as the mother of his beloved considers him hopelessly unfortunate.