The Kilcher family legacy is in jeopardy, so they kick off a complete homestead overhaul. However, before any work can begin, they must dig out the homestead from the worst snowstorm in years, then use every piece of heavy machinery in their arsenal to ensure the survival of future generations.
The Kilcher family bands together on a massive mission to rescue a tractor, but with the ice road melting, the pressure is on Otto to get it going. Meanwhile, Eve is left with responsibility of caring for all the animals on the homestead.
Otto is forced to the edge after a chimney fire threatens to destroy his cabin. Meanwhile, Eivin and Eve burn up dangerous bush piles threatening the homestead, and Atz Lee and Jane embark on a dangerous ice fishing mission.
Otto enlists the aid of Eivin to prepare his boat for an ambitious mission: moving wild buffalo. Elsewhere, Jane and Charlotte are put to the test as they lead the Kilchers' first-ever, all-female cattle drive.
Tensions flare when Otto and Jane journey to Kodiak Island to rescue a herd of wild buffalo. On the homestead, Eivin and Eve tackle an urgent roof repair, while Atz Sr. and Atz Lee help Shane on a long overdue cabin build.
Otto and Jane continue their mission to relocate a herd of wild buffalo on remote Kodiak Island. Elsewhere, Atz Sr. ventures into the Alaskan wilderness to hunt bear, and Atz Lee and his brother test their firearms skills at a custom gun range.
A fishing trip turns deadly when Otto and his sons must outrun a caving glacier. Meanwhile, Atz Lee and Charlotte rush to save the life of a stuck cow, and Eve and Jane fish for salmon.
The Kilcher family shows off the new upgrades to their homestead while giving thanks to their home and family during Thanksgiving dinner.
Otto and August make a risky attempt to acquire a massive crane, but years of wear and tear have left it in poor condition. Elsewhere, Charlotte, Eivin and Eve race against the tide to rescue a weak cow, and Atz Lee and Jane go kayak fishing.
After a year away, Jewel returns to the homestead for her son's first cattle drive. Meanwhile, Shane faces an uncertain future with his home, and Otto and Eivin fight to save a prized cabin from destruction.
The Kilchers take on some of the biggest jobs in the homestead's history. One team tries to pick up the historic Octagon building and move it to safety, while another team strives to finish Shane's multi-year cabin build before the winter comes.
The Kilchers play secret Santa at Christmas with Atz Lee making art with fire, Atz Sr. jamming out with a shovel and Jane wrapping coal for someone special. Meanwhile, Eivin tries to avoid blowing himself up, and Shane spends Christmas in the hospital.
Eve butchers chickens with her children to teach them about the circle of life, while Eivin builds a shelter for his trusty horse to protect it from the freeze. Elsewhere, Atz Lee and Jane warm up their remote cabin, and Atz Sr. goes on a solo hunt.