Charlie and Rachel share an interesting bond. When Gene decides to assist the town of Willoughby through the typhus breakout, Rachel and Charlie feel compelled to help too. But Rachel makes a discovery about the disease that throws suspicion on the Patriots. Miles and Monroe continue to join forces in order to survive. How will Connor fit into the picture? And in Spring City, will Grace help Aaron and Priscilla learn more about the secrets of the nanotech?
