As the worst winter in decades rages across the nation, the Mountain Men must fight to stay on top of the food chain. In the Yaak Valley, the growing wolf population comes knocking on Tom Oar's door, and quickly turns into a blood feud. In Alaska, Marty Meierotto's traps are coming up empty, causing him and his family to regroup and figure out how they're going to survive the season. In the Ruby Valley of southwest Montana, Rich Lewis bags enough meat to survive the winter, but his battle has only begun as hungry predators catch the scent. In North Carolina, Eustace Conway struggles to bring a 100-year-old sawmill back to life to keep his property in the black. And in New Mexico's Cimarron Valley, Kyle Bell puts his 10-year-old son's mountain man skills to the test on his first hunting trip.