Neville faces danger and hard choices as Monroe doubts his loyalty, he disowns his son Jason and gets captured by Miles. Rachel and Charlie begin slowly patching their relationship only to be pulled apart again as Rachel suddenly embarks on a quest to restore the power and her self-respect. She must make a dangerous journey to the mysterious Tower as it holds her only chance at redemption.

As Miles, Monroe, Charlie and Connor rush to escape Austin, a confrontation with Texas Rangers separates Miles from the group. While out searching for Miles, Charlie is confronted by Neville who demands information on Jason's whereabouts. As a wounded Miles faces increasingly hopeless circumstances, Aaron learns that the nanotech has been busy.

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.