The battle over the food supply becomes the last straw for Adam, Evan, Christine and Gerrid. Andrew and Jennifer are abandoned at base camp. Adam and Evan join Oliver on a nearby claim, leading to a final confrontation with Andrew.
Adam and Evan make a journey to basecamp and Oliver tries to survive solo.
A disastrous fish haul threatens the colony's food supply. Pushing to build a second outpost, Adam sets off down river alone but when his canoe capsizes, he's at risk for hypothermia. Tensions between Oliver and the group reach a boiling point.
Andrew and Gerrid return victorious from the moose hunt, uniting the band for the first time. But a sudden cold spell leads to a scramble to make winter shelters. Oliver's refusal to follow the group's plan leads to an explosive confrontation.
The newly-formed group desperately hunts for moose. When Oliver refuses to go along with the plan and is an obstacle in the line of fire, Andrew pushes back. Army veteran Adam arrives at base camp and immediately tackles critical building projects.
Leaving comfortable lives behind, strangers journey to Alaska to chase their dreams of an off-grid community; with only 100 days until winter, it's a race against nature.