Buried under record snowfall, Marty fights to heat his cabin and maintain his trapline. Lauro and Neil brave the icy Yukon River with their sled dogs, while Mike ingeniously crafts a driftwood windmill to power his homestead. Bret and Ivy journey 80 rugged miles to a remote outpost cabin. Meanwhile, Cub upgrades his cabin with a new wood stove, preparing for the cold, damp winter ahead.