Paranoia strikes Monroe deeply as Neville disappears and Neville’s son Jason makes a big decision. Meanwhile, the familial bond between Miles and Charlie grows stronger. Elsewhere, Miles experiences romantic attraction with both Rachel and Nora. Rachel sets off on her dangerous quest to infiltrate the Tower and restore power to the world before Monroe can ignite a nuclear device.

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.

Miles and Tom Neville find themselves fighting for the same cause but Miles still doesn’t trust him. Charlie, Jason and Nora attempt to pull off a daring river rescue of Dr. Stephen Camp to keep deadly anthrax out of the hands of Monroe. Meanwhile Rachel and Aaron are captured and threatened by Militia forces.

Romantic connections heat up between two couples -- Miles and Nora and Charlie and Jason -- but disastrous drone strikes from the Militia threaten them all. An assassination attempt on Monroe heightens his paranoia and Georgia Federation President Foster contemplates surrender. Meanwhile, Rachel and Aaron push through the Plains Nation into Colorado.

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.

Rachel and Monroe battle with more than wits. Meanwhile, Miles, Charlie, Nora and Aaron get inside the Tower but Tom Neville and son Jason get shut out. Miles and Monroe once again face-off, this time even more lethally.

Life-threatening dangers abound on all sides as the Rebels infiltrate the Tower. Miles' leadership abilities and character are sorely tested as well as his feelings for Rachel and Nora. Aaron's genius comes in handy while Tom Neville and Randall Flynn bring new meaning to the dark side.