The small prince Bu is a constant cause of worry to Queen Sirena and King Ulvik of the Troll Kingdom (a kingdom perched atop a tall Norwegian mountain). Bu uses nasty words like "please" and "thank you", is quiet, and altogether too, well...good. The king decides that it must be what children are learning in school, so he goes to Sinister School. There, he interrogates Bu on the moral system of the trolls, on how their hearts are frozen, and on the inofficious Troll Bible. Bu gets everything...