One evening when Nisse the Gnome wakes up, he discovers a light shining through a crack from the human's house above. After being abandoned for very long, it seems like the farm finally has new owners - and with a child on the way, no less! Nisse is not the only one who notices this, however. When he leaves to explore the farm, he encounters a forest troll who tells him that she intends to steal the human baby as soon as is it is born. It is up to Nisse to gather enough strength to stop her - or ask the Skogsrå, the Guardian of the forest, for help.