Painter and Ugly, two sled dogs who are inseparable best friends, are put on different teams for the Junior Iditarod, but they manage to find their way back to one another for the big race.
When their mother fails to return one night, three Tasmanian Devil cubs venture out of their den in search of food and, by doing what Tasmanian Devils are supposed to do, manage to save their mother from a trap.
When his father is attacked by a grizzly bear during a hunting trip, Johnnie, along with their dog Swift, must embark on a daring rescue mission to save his father's life.