The Browns journey to a new property that sits on a snowy mountain range in the Lower 48. But a heavy snowfall and a long winter wreak havoc on their first attempts to tame the mountain.

The Browns struggle to begin an ambitious barn build, the key to Billy's grand vision. After being away from the family, Noah returns and is ready to help establish the ranch.

As the Browns make headway on establishing their homestead, they're faced with the threat of major flooding. Billy becomes concerned about the potential for total isolation, leaving them little time to finish the barn.

While the Browns recover from their first flood in decades, Noah invents an ingenious device to rid the homesite of moles. Billy gives daughter Rain major responsibility as barn construction goes full bore at the ranch.

Ami prepares for a critical doctor appointment, but Billy has concerns about progress on the homestead while they're away. A rogue bear destroys Bam's new beehives, forcing the kids to rebuild the hive and save the bees before it's too late.

Barn construction is all hands on deck, but the family must confront Bam when he chooses to pay more attention to his own projects.

The Brown family races to complete the barn as wildfires become a threat to the homestead. Matt faces old demons, while Noah becomes the first one married from the wolfpack.

As their time in California comes to an end, the Browns bring the bush holiday spirit to the Lower 48. With more to celebrate than ever before, they stage an unforgettable Christmas surprise for Ami.

The Browns prepare for a new adventure in the remote wilderness of the Pacific Northwest, reflecting on last season and how it affected the family.

As the Browns start a new chapter, they reveal the relationships made and the values they've learned to survive in the Alaskan bush.

The film crew reveals untold tales and the extraordinary challenge of capturing the Brown lifestyle as they journeyed from Alaska to the Pacific Northwest.