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.

SS doctor during the war worked on the serum of cancer, but discovered a terrible poison, one vial is enough to kill 100 000 people. 20 years after the war, the old Nazi gets out of prison, and the hunt for him and his discovery begins.

Torday Géza, a new engineer arrives at the ammunition factory disguised as if manufacturing camping gears. His appearance upsets existing patterns. The director sells the products at a low price in the West. In the meantime diversionaries attempt to destroy the plant. It turns out that Torday is a man of the intelligence built in among the reconnaissance people, as is his childhood lover, Magda. Agents and policemen play the game.

The first Hungarian spy film ripped the mask off those ministerial officials who, having sold out to foreign agents, sabotaged the rebuilding of Hungarian factories and plants destroyed by the war. In the film, spies and saboteurs with wallets full of dollars and pistols in their hands set fire to Hungarian factories. The former ruling class was reluctant to give up its place in life and had to be fought to the death.

At Christmas Eve in 1944 the runaway Pintér and Gozsó get through the Soviet blockade around Budapest. Pintér intends to hide in a flat abandoned by his own relatives, but he finds his relatives called the Turnovszkys, who are hiding the Jewish Jutka as well. Love unfolds between Zoltán and Jutka.

The poetic love story depicting everyday life from a micro-psychological aspect takes place in the 1910s. Sándor, editor of the local paper, serves as a foot soldier on Sundays, but spends weekdays playing billiard and courting women. One Sunday afternoon - in soldier's uniform - he meets Vilma, the beautiful maid, whose honesty and chastity turns the adventure to love.

PFC Molnár decides his WWII services are over, and with serious money hidden in his hand grenades, he heads to an abandoned mansion where he encounters not only the sour butler but a bunch of others who also try to wimp out of their duties.