As winter closes in, Morgan and Margaret fly North to track down the great caribou migration and secure meat; Marty preps his trapline for the arrival of his daughter, Noah; Jake starts his season tracking two lions. Eustace takes on an apprentice and uncovers some illicit activity on his new land; Kidd and Harry rescue horses from a pack of hungry wolves.

Eustace and Raleigh battle a polar vortex to get their lumber business back online; Mike braves a bear-infested landscape in search of fresh meat; Morgan and Margaret chase the migrating caribou, hoping to secure enough food for winter.

As night descends across the mountains, Mike treks through bear country with fresh meat on his back; Morgan battles dark and dangerous terrain in a last-ditch effort to fill his freezer; Jake's latest lion hunt takes him deep into wolf territory.

Jake will do anything to get his injured dog to the vet; Tom and his brother are left high and dry when the well on his ranch stops pumping; Mike has to go back on the hunt after bears pillage his provisions.

Jake sets off alone on the hunt for elk meat; Jason rolls the dice on an experimental smelter; Morgan and Margaret combat a critical water problem; Mike targets Kodiak Island's most dangerous quarry; and Marty bids a final farewell.

Eustace and Raleigh set out in search of a deer to replenish their food stores; Jason faces the moment of truth in his attempt to create his own steel; Jake hauls 400 pounds of fresh elk meat out of the mountains; Kidd and Harry pack supplies.

Kidd and Harry battle time and rough terrain on a backcountry supply run; Jake and his dogs track down a repeat offender; Tom gets back to business in the Yaak; Morgan checks his remote trapline for high-dollar fur.

Jake has a problem lion on his hands and soon discovers it's not alone; Tom and his brother, Jack, break down on the road to the Yaak Valley; Morgan crosses the Great Alaska Range on an emergency supply run.

Kidd and Harry set their sights on bagging a buffalo; Jake goes after a mountain lion caught too close to civilization; and Morgan fights the deadly skies of Alaska in a race to resupply his homestead.

Tom and Sean face off against a coyote threat; Eustace and Raleigh enlist some much-needed help building their lookout cabin; Jason takes one final crack at creating Ozark steel; Morgan and Margaret push deep into the back country.

Tom turns coyotes into cash; Eustace and Raleigh take to the forge to raise money for roofing materials; Mike scouts bears for the spring hunting season; Morgan and Margaret go fishing.

Jake hunts a lion caught stalking a school bus stop; Tom sets out to end his trapping season on a high note; Eustace and Raleigh struggle to put a roof on their outpost cabin; Morgan and Margaret prepare their horses for a critical supply run.