As the animals of the forest begin to sleep, a little frog sings under the moonlight. But, when Raza?n, the gorilla and leader of the animals, kicks the frog out of the forest, the other animals want the frog to come back.
Grandma Antolina finds a key and begins a long journey into the country, up and down a mountain, and so on, until she finds the door it opens, where her grandchildren await.
Professor Zi?per is the most popular teacher on campus, but the horrible scientist Cremallerus is extremely jealous of his colleague and will do anything to hurt him or his friends the rock band Nube Li?quida.
When war breaks out in Sarajevo, Asmir flees with his mother, younger brother, and grandmother to Belgrade; when they find it is not safe there, they continue on with their uncles to Vienna, where Asmir wishes his father could come to meet them.