As the river begins its freeze, the participants suffer major setbacks; one survivalist doubles down on a daring strategy; another reaches their limit.

The remaining three participants continue to battle Labrador's harsh snowstorms and below-freezing temperatures. As their minds and bodies are pushed to the limit, they struggle more than ever before. One contestant risks it all as they embark on a challenging project, and another loses their ability to hunt for food. With the fight to the finish line intensifying, only one survivalist is able to walk away with the $500,000 prize.