McCarthy comes together for the biggest barn-raising in its history. Only one thing stands between Jeremy and self-sufficiency, but it's his riskiest project yet. To support her newborn, Jenny builds a rocket stove. Neil prepares to sell the town.
Jeremy learns shocking news while rushing to finish his new barn; Jenny gets stranded with her newborn and must fight for their survival; and Mark and Livvi encounter a bear, so it's time for Livvi to learn to shoot.
Jeremy strikes a deal with the enemy to build out his farmstead, but an accident may halt his progress for good; Lobo barters for the future of his farm; Neil takes on major upgrades as he prepares to sell the town.
Jeremy and his sons search the frozen wilderness for a lost bulldozer to sustain his family's farmstead. Mark sets out to show McCarthy to his new fiancée, but finds danger. With his dream on the rocks, Neil makes a last ditch attempt to save it.