The film follows a young boy named Ranko who discovers a large German Shepherd in the mountains, a remnant of the recent war. After freeing the dog from a trap, Ranko befriends the animal and, based on an inscription on its collar, names him Hund. However, the local villagers mistake the dog for a dangerous wolf, a "lone wolf," and resolve to kill it. Fearing for his new companion's safety, Ranko secretly brings food to Hund in the mountains. In a turn of events, the dog saves Ranko from a real wolf attack. The villagers, convinced that this "lone wolf" is responsible for killing sheep, organize a hunt. In a climactic moment, Ranko manages to save his loyal friend from the hunting party, solidifying their bond.

After WW II many young people arrive to Zagreb, among them a young worker Sonja Kacar. She is supposed to participate in the construction of the first generator in the Rade Koncar factory. Because there aren't enough experts and materials in Yugoslavia, the factory counts on help from fellow communist countries, Czechoslovakia and Soviet Union. However, after the Inform Bureau's resolution this help is no longer available. Sonja experiences a great intimate disappointment because Stjepan, who she is in love with, supports Stalin.

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.

A 40 year old former football star and idol of his generation feels that there's a gap between him and the rest of his peers. In order to cross divides over, he makes 20th anniversary party for his school friends he graduated with, only to find out that things are more complicated than he first thought.