After exploring the haunted Saw Tooth Cave and finding a wolf who has been driven away from her pack, Runt musters all of courage to help her.

Kate and Humphrey and their 3 wolf cubs (Stinky, Claudette and Runt) are happily preparing to celebrate their first winter together when their smallest cub, Runt, mysteriously disappears. They must now go on a new journey across the wilderness to find and bring back Runt before the winter snows block their way home. While their adventure does not end exactly as planned, Kate and Humphrey discover that "Home is where the Family Is." Written by Lionsgate

Kate and Humphrey set out to look for food to store for the winter, but caught up and trapped by a deadly blizzard. Now, it's up to the pups - Stinky, Claudette and Runt - along with the help of Brent the bear cub and Agnes the feisty porcupine, to find the two missing wolves and bring them back home safe and sound.