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 right, to his two two-headed brothers' rage. Along with some nasty troll-teens (the fulsome Stav and the slovenly Ribo), the two brothers (Borch and Prag) concoct a plan to lure Bu down to the world of the troll-eating humans. Playing off of Bu's knack for being the hero, they claim that the humans are planning an attack on the Troll Kingdom. Bu and the revolting lot head down the mountain, where they observe the colossal humans hanging wreaths on their doors and cooking gingerbread men. Bu, ...