A final act of heroism by one of their own saves the lives of Charlie and the gang, but the loss devastates everyone and they must carry on with heavy hearts but increased resolve. Miles sets out on a mission with Nora to recruit his former Militia comrade, Jim Hudson and enlist his savage killing skills. Meanwhile, Rachel looks for a power source and a way back into the heart of her daughter Charlie. Rachel also attempts to elude the grip of Randall Flynn, her ruthless former boss and ally of Monroe.

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.

When the past catches up with Miles and Monroe in the form of mutual heartthrob, Emma all hell breaks loose for them physically and emotionally. Charlie and Nora are the ones who rescue Miles this time. Meanwhile Aaron’s life is turned inside out while accompanying Rachel on her tenacious trek to the mysterious Tower where she plans to restore the power.

A captive Nora is tortured and left for dead. Monroe learns of Rachael’s attempt to reach the Tower but is unaware of her deadly plan for him. Meanwhile, Miles is desperate to find out how so many of his close associates are being brutally murdered. Later, Miles, Charlie, Neville, Jason, Hudson and Sanborn struggle to make it out of the Plains Nation to join Rachel and save her from what they believe to be certain death.