Alors que l´hiver descend dans les montagnes, dans le Montana, Jake lance la première chasse aux pumas contre une femelle agressive. Mais la femelle ne va pas se laisser faire et cette chasse se termine dans un combat presque mortel. Tom et Nancy font face à une augmentation de coyotes locaux. Dans les Ozarks, Jason part à la chasse d´un ours noir chapardeur qui a tué ses poulets. En Alaska, Mike s´apprête à faire des réserves de saumon pour l´hiver. Et dans le Wyoming Wind River Range, Josh, le nouvel éleveur de bisons, s´apprête à abattre un cerf afin de remplir le garde-manger pour sa famille.

En Caroline du Nord, Eustace et Raleight tentent de restaurer une ancienne scie en bois de récolter des fonds. Au Montana, Tom récolte une bûche de deux tonnes pour pouvoir entreprendre son projet le plus ambitieux à ce jour : la construction d´un canoë traditionnel. Jake cherche de la viande pour l´hiver et entreprend une chasse dangereuse en haute altitude. En Idaho, Kidd et Harry font la course contre une tempête hivernale pour rassembler le bétail solitaire. Et en Alaska, Mike rivalise avec un ours géant afin de faire son stock de saumon pour l´hiver.

Tom and Sean brave the bitter cold in search of better trapping grounds; Jake seeks revenge on the lion that injured his hound; Eustace and Raleigh struggle to fix a storm-damaged bridge that connects Turtle Island to the world outside; Mary forges her first Ozark blade; and Josh loses a bison to a pack of hungry wolves.

Jason's bladesmithing business suffers a critical setback when his hand is badly cut on the job; Jake's latest lion hunt turns into a rescue mission when he discovers his dogs are on a collision course with a pack of wolves; Kidd and Harry break a colt for a backcountry client; and Josh salvages all he can from a bison that was killed by wolves.

Mike's bear scout turns into an alpine goat hunt; Jake brings in the big dogs to settle an old score with a problem lion; Tom and Sean check beaver sets to see if their new trapping grounds will pay off; Jason leans on the family to overcome a looming deadline and a broken hand; and Kidd and Harry run a backcountry gauntlet to deliver a young horse to a remote buyer.

Jake tracks a dangerous mother lion and her young; Kidd and Harry go on the offensive against a pack of coyotes that is targeting their cattle; Eustace and Raleigh track a rogue black bear that's been raiding a neighbor's home.

Mike returns to the bear-infested crags of Kodiak to reclaim his mountain goat kill; Jason hunts down a wild hog to feed his family; Kidd and Harry blow up a beaver dam to save their water supply; Josh goes on the offensive against wolves.

Jake's second mountain lion chase in the Ruby Valley leaves him cliffed out; Eustace and Raleigh turn scrap steel into pure profit; Kidd sets off on a whitewater excursion unlike any other; and Jason picks up the pieces after a storm drops a tree.

Jake's latest mountain lion chase leads him to an angry bear; Tom and Jack take on a commission to build an ancient atlatl; Jason builds a steel trap to keep the area's wild hogs in check; Kidd transforms a large wooden boat into a summer cabin.

Kidd and Harry are sent into a dangerous free fall by a freak ATV accident; Jake goes on ranch patrol to protect newborn calves; Nancy gives Tom the surprise of a lifetime; Josh attempts to wrangle a feral horse.

Josh goes panning for gold in a quest to unearth the West's greatest treasure; Eustace fights to save his land, but must say goodbye to an old friend; Jason returns to the forge, putting his injured hand to the test.

Josh hits the jackpot; Tom puts his handmade dugout canoe to the test; Jake makes his last stand against a massive predator; Eustace sees his dream of keeping his new land go up in flames; Kidd and Harry secure their future in the mountains.

As the spring melt sweeps the mountains, Jake sets his sights on bagging a black bear for the larder; Eustace and Raleigh race against time and weather to plant crops; Mike sets out to harvest a bounty from the Gulf of Alaska; Kidd and Harry drop and haul lumber for their ranch; and Jason puts his homestead expansion on hold when a tornado comes crashing through.

Mike flies into the Kodiak backcountry in search of rich bear hunting grounds; Jason rushes to complete a barn before his new herd of goats arrive; Kidd and Harry hunt down the bear that attacked their cattle; Josh creates a water supply for his growing herd of bison; and Jake turns his bear kill into food stores and profit.

Kidd and Harry go toe-to-toe with a one-ton bull; Eustace and Raleigh dig for Turtle Island's food stores; Mike braves the Kodiak interior on a bear scouting mission; Jason schools his two oldest kids on fishing and survival in the Ozarks; and Jake leads his hounds through a pulse-pounding training day.

Mike escapes the bear-ridden Kodiak interior on foot, as Jake runs a lion on foreign ground. Meanwhile, Josh battles a prairie dog colony.