Zagreb in 1942. The police blocks on of the houses while looking for one of the communist officials hiding in the apartment of young female illegal fighter. Them two manage to escape, however police kills her husband. In the house, her small baby is left, which police wants to use as a bait so they could catch them. Children who live in the neighborhood steal the baby, upon which the police starts thorough search of the house.

The Spanish Civil War veteran and WW2 partisan Josip Crnković-Cloud faces eviction from his modest little house which is to be demolished soon to make space for new skyscraper. He tries to stop it in a legal way, but fails to break the shield of administrative bureaucreacy. He decides to use dynamite left from the war and simply blow out the house.

In late 1943 German forces are advancing towards Dalmatian coast, forcing many people to flee to Allied or Partizan controled areas. Group of children get stranded on a deserted island after their ship's engines broke down. However, the real adventure of their is only to begin.

One class of school children from a small village make the trip to Zagreb. One of the boys gets sick and the class is forced to go home. During their journey the train gets stuck in a snowstorm.