Jet boat pilot Brice responds to an SOS call, bush pilot Rob flies vital medical supplies to a friend in need, and packers Andy and Chuck get more than they bargained for.

In Montana, Andy and Chuck team up with Toby Tabor from the Department of Fish, Wildlife and Parks, racing a cargo of live fish up to an alpine lake. In Aniak, Alaska, bush pilot Rob makes an airdrop for some stranded campers low on rations.

Packers Andy and Chuck race to rescue an old friend in diabetic shock; jet boat pilot Brice helps an off-gridder renovate a 130-year-old ranch; and bush pilot Rob lands himself in bear country.

In Alaska, bush pilot Rob Kinkade responds to a rescue call from his friend Ricky, who’s stranded up the Aniak River. In the Montana backwoods, Andy Breland and Chuck Allen face down a beating wind to make their delivery, but discover that their off-gridder client is not at his usual campsites. And in Idaho, jet boat pilot Brice Barnes attempts to recover a stranded helicopter by custom-building a wooden platform for his boat.

In Hells Canyon, jet boat pilot Brice Barnes negotiates the Snake River at night to reach Temperance Creek Ranch, where his tenant Shelly has spotted a cougar on the prowl. Alaskan freight hauler Roger Phillips makes a trade to secure some much-needed fuel for his off-grid neighbors. Meanwhile, father-son dog-mushing team Jeff and Paul Hemann must deliver live chickens to an off-gridder in heavy snow.

In Skwentna, Alaska, freight hauler Roger Phillips struggles to avoid frostbite after snow machine failures on his way to two quirky and colorful characters living out in the bush. In Willow, dog mushers Jeff and Paul Hemann must race to deliver medicine to elderly off-gridders. And in Montana, horse packers Andy Breland and Chuck Allen load up some solar panels for their final delivery of the season.

Jet boat pilot Brice Barnes delivers two stubborn mules. Dog mushers Jeff and Paul Hemann combine their dog teams to overcome deep snow and deliver a windmill to an off-gridder. Freight hauler Roger Phillips counts on his wife, Myra, to help him deliver a large supply of food.

Freight hauler Roger Phillips battles a troublesome delivery; dog mushers Jeff and Paul Hemann set up the wilderness for a wedding; jet boat pilot Brice Barnes risks life and limb to collect a season's worth of firewood.