Maroo and her younger brother, Otak, are their family's only hope. Trapped on the Great Plain in blizzard conditions and with little food, the family has one chance of survival: for Maroo and Otak to reach the winter camp and get help. But the fastest trail to the camp is over the White Mountain, with its treacherous glaciers, steep climbs, and mountain spirits. No matter what happens, one of them must complete the journey--the rest of their family depends on it. So when Otak goes missing, Maroo is forced to make the most difficult of all decisions: to stay and search for her brother or to continue on to the camp in order to save the rest of her family.