As spring approaches, the Kilchers prepare for a potentially devastating wildfire season. But when Covid-19 threatens the homestead and crews are evacuated, the family must come together and adapt like never before.

An unprecedented new chapter kicks off on the homestead as the Kilchers film themselves coping with Alaska's stay-at-home order amid a growing pandemic. Resources must be stretched, homeschooling proves difficult and Atz Lee's PTSD resurfaces.

A runaway stallion unexpectedly threatens the cattle drive.

Otto, Charlotte and August find themselves marooned while sailing.

The Kilchers take advantage of high summer's extra daylight to forge ahead.

An earthquake strikes Homer, triggering a tsunami warning and evacuation.

To protect the homestead from wildfires, Otto dynamites a reservoir; Charlotte goes fishing with Jane but finds it's not for her; after falling behind on the Fox Cabin, Atz Sr. enlists the help of his family to get back on track.

As fall approaches, the Kilchers kick into high gear; a large bull moose stalks the homestead and Eivin must keep his family safe; Atz Sr. hunts bear and nearly loses a horse; Otto begins the cleanup from an explosive wildfire prevention project.

The Kilchers finish Atz Sr.'s legacy rebuild and Eivin suffers a loss.

The Kilchers rush to prepare for the arrival of winter. Otto saves a friend's home from sinking into the bay. The stress of parenting during the pandemic pushes Eve to her breaking point and Atz Sr. stalks a menacing bear on the homestead.

Atz Sr. reveals his Fox Cabin legacy build after months of backbreaking effort. As winter begins, Eivin scrambles to complete a vital project he'd fallen behind on. Jane and Atz Lee attempt to airlift a piano to their remote cabin before snowfall.