McCarthy mainstay Mark seeks out a rare local treasure to welcome home old timer Tim; at long last Neil opens the Mother Lode mine to the public for tourism, but his partnership with Jeremy puts the Keller family's future in the town at a crossroads.

The 42 residents of McCarthy are choosing sides in the battle to draw visitors to this historic frontier town, but when a pack of wolves begins stalking the streets of downtown, locals must unite to protect their way of life.

After being devastated by a powerful windstorm, it's all hands on deck as the town recovers. Jeremy discovers his barn is destroyed, Mark must clear dangerously damaged trees before it's too late. Lobo makes a tough trip with valuable but fragile loot.

Neil’s new hotel project is over budget so his investing partner moves to push him out of his oldest business. Jeremy and his boys go on a supply run for hay and return with Jason Lobo. Jenny Rosenbaum makes a life-changing discovery.

Tim returns to McCarthy and the Nizina River threatens Jeremy's hopes of growing a farm. Later, a shortcut to McCarthy brings the city closer to becoming a tourist attraction.

When Jeremy crosses a frozen river in a two-ton bulldozer, he finds himself on thin ice; Jenny takes on a dangerous survival mission with her newborn baby in tow; Neil's business partner returns to town with big news.

Bears threaten Jenny and her newborn when they get stranded on an island in a storm; Jeremy gets his farmstead up and running, but unfinished business gets in the way; bad blood and a build gone bad make Neil regret a deal with Jeremy.

To build out his farmstead, Jeremy must strike a deal with the enemy, but a severe accident may halt his progress for good; Lobo barters for the future of his farm; Neil takes on major upgrades as he prepares to sell the town.

The great Alaskan breakup fractures McCarthy. Food is lean for man and beast so locals combat hungry wolves stalking their herds. A last chance treaty between supporters of the new and old goes up in flames. Tim closes up his cabin atop the summit.

A bulldozer breakdown sends Jeremy on a high-flying, cross-country journey; when a wolf stalks Jenny and her baby, she must face off with the fierce predator.

The last days of winter bring change. The future of town lies in the balance. Jason races the melting river crossings to reach his crashed airplane. Jeremy tests his nine-year-old son with a risky solo dog sled run through the woods.

McCarthy is under attack from awakening bears. Jeremy’s livestock is attacked and he goes on the hunt. While Gary searches for horses spooked by a grizzly.

Hidden deep in the wilderness of Alaska is the toughest town in America: McCarthy. Locked in winter’s grip, the 42 souls who are brave enough to live here must battle the elements, and each other, to maintain their pioneer way of life.

In the dying days of winter, McCarthy locals join forces to survive wolf attacks and starvation, but the plan to open the frontier to the outside world turns residents against each other when locals night at the golden saloon turns into a free for all.

McCarthy’s future lies in the balance as Neil takes the last steps toward making a town-wide electrical grid. Locals are pushed to their limit, so Jeremy calls an emergency meeting to stop Neil’s plans and bring stability back to McCarthy.

The hidden city inside the mountain is within reach but exploration means convincing locals for help. Temperatures drop to 40 below, threatening ranchers trailblazing the frozen tundra, and an emergency meeting is called to defend the frontier.

As seasons change in McCarthy, the town is haunted by its darkest day. The icy ground thaws into a quagmire, and old-timer Tim Mischel is marooned at his remote cabin. Neil and Jeremy’s frozen truce is set on fire.

As the battle for McCarthy wages on, a team of experts works to locate the only known entrance into the Mother Lode mine. Locals fight to break free of Neil’s stranglehold on the town by casting their own ammo.

Hidden in McCarthy is the largest man-made ruin in the world - and Neil wants to open it up to tourists. Jenny finds a secret creek that holds gold and must pack a raft to inspect the claim.

Spring means locals can finally reach the outside world to resupply. Jeremy walks a bull calf home through bear country and faces off with a hungry black bear. Jason’s brother Eric departs town for a new job, leaving Jason to face the wild alone.