In Montana, Tom Oar reunites with partner Sean McAfee to set his winter trap line, but miles of grueling terrain put the veteran trapper's endurance to the test. Newly engaged Jake Herak and Anika Ward fire up their chainsaws and begin building a homestead from scratch. In Idaho, Kidd and Harry Youren round up their cattle from high mountain pastures, but a surprise bear encounter jeopardizes the mission. And in Alaska, Martha and Elli Tansy embark on an off-road expedition to new hunting grounds.

In Montana, Tom Oar struggles with heart problems, but refuses to give up his Mountain Man way of life. Jake Herak and Anika Ward have added five new puppies to their pack, but preparing the rookie hounds for mountain lion season means running them through a gauntlet of training exercises. In Alaska, Martha and Elli Tansy pack hundreds of pounds of meat back to their base camp, but all could be lost when the brakes fail on the Moose Buggy, sending them into freefall. And Mike Horstman hunts fox for their valuable fur, hoping to earn cash to help him survive a challenging winter.