Agata's Happiness

A doctor working on finding a substance that would inhibit the growth of certain types of cancer learns that he has cancer. He decides to try an unproven drug on himself.

It is World War II, and the Nazis have taken over Poland. In this story, three citified children of Resistance fighters have taken refuge in the mountains, and they manage to hook up with three local youngsters. All six of them are being hunted by the Germans, and they are also being looked for by an adult who wants to take them to greater safety. Along the way, the children occasionally put on spontaneous theatricals.

Rysiek is an escapee from a reform school. Julek escapes the anger of a fire brigade in a small town from which he embezzled. In search for food Rysiek breaks into a villa and discovers a bundle of cash in the freezer. They team together in Warsaw and decide to go on a rampage through the city.

The former head of the Institute of Science - Professor Molnar, returns to the Institute to seek treatment for his heart condition. The new director of the Institute, and his former assistant, Dr. Egberg had a falling out with Molnar after the latter considered his research unethical. However, after waking up from surgery, Molnar makes a horrifying discovery; Egberg has swapped their brains!