Rachel makes a valiant attempt to rescue Miles and to escape with an ailing Tribesman's wife, while Neville and Jason are caught off-guard, assaulted by violent refugees. Charlie and Adam are at odds over what to do with Monroe. Legions of Tribesmen threaten all of Willoughby but with questionable leadership and Aaron faces death, yet again.

As Charlie, Rachel and Gene question Monroe's true allegiance, Miles himself is weary of his former friend's intentions. Meanwhile, Aaron continues to have visions that lead to endless questions.

The relationship between Rachel and Gene remains strained as Charlie shows her mom how much she's grown. Meanwhile, Neville gives Jason a determined proclamation.

When Gene decides to assist the town of Willoughby, Rachel and Charlie feel compelled to help too as Miles and Monroe continue to join forces in order to survive.

Aaron awakes to find himself in a world with power, married to Priscilla and running his company. As he gets the feeling that something isn't quite right, familiar faces begin to appear.

Frustrated with Neville, Jason turns to Miles with crucial information about the Patriots’ next steps for Texas. Determined to derail the Patriots’ plans, Miles and Monroe rush to Austin with Jason, Charlie and Connor in tow. Meanwhile, Aaron grows suspicious of Priscilla’s increasingly unusual behavior.

United by their desire to take the Patriots down, Neville and Monroe form an uneasy alliance. As Rachel comes face-to-face with the nano-tech while searching for Aaron, things don't go according to plan for Miles, Charlie and Gene when they try to steal the Patriots' supply of mustard gas.