Charlie travels from Chicago with a group to rescue her brother. Along the journey they pick up new friends with useful talents to free her brother from a group of rebels.
The gang try to find a rebel fighter named Nora, to aid them in liberating Danny. Meanwhile Danny discovers what Neville is really capable of.
Nora and Miles make a run for it back to the Rebel camp while Aaron and Maggie search for Grace.
After successfully rescuing Miles from the militia, Charlie and Nora head off to meet up with Maggie and Aaron, with Nate on their trail every step of the way.
After orders from Monroe, Danny becomes more valuable, increasing his safety. The group experience more problems finding him, however.
The gang search for medical supplies for Nora. They come to a large house occupied by a gang. The leader, Drexel, knows and isn't too fond of Miles. Drexel then threatens Charlie into infiltrating and killing the leader of a local settlement who has been burning their opium poppy fields. Neville delivers Danny to Monroe.moreless
The gang stumble across a group of kids fending for themselves and Rachel reveals the real reason she deserted her family.
A ruthless tracker is sent after Miles, and Nora has to make a difficult decision regarding a family member.
To aid her rebel buddies, Nora enlists the help of Miles to infiltrate Monroe's base and assassinate him. Rachel continues work on a machine to amplify the mysterious pendants.
In the mid-season finale, Miles and Monroe finally come face-to-face and Charlie encounters someone unexpected.
Miles leads the gang out of Philadelphia to escape the attack helicopters which are patrolling the area. Miles and Nora become closer and Rachel tries to ease her guilt by supplying power to the rebels.
Miles and Nora set out to recruit one of Miles' old militia buddies. To find her way back into her daughter's graces, Rachel looks for a power source whilst eluding her ruthless former boss, Randall Flynn.
Neville is captured by Miles. Rachel journeys to a mysterious tower which holds the only chance of restoring power.
Miles needs to stop a mad bomber while Rachel starts her quest to turn the power back on for the rest of the planet.
Troubles befall Aaron on his journey with Rachel to the mysterious tower, and a woman form Monroe and Miles' past causes emotional havoc for the two.
In order to keep the anthrax bacteria out of Monroe's hands, Miles attempts to liberate Dr. Ethan. Aaron and Rachel are captured by the militia, and Miles finds himself working with Neville who has amazingly become a commissioned officer of the Georgia Federation.
Drone strikes against the militia threaten to destroy the budding relationships between Charlie and Jason, and Miles and Nora. Monroe's paranoia escalates after an attack on his life. Foster considers surrendering and Rachel and Aaron continue on their journey to restore power.
Nora is captured and tortured and Monroe finds out that Rachel is going to the tower, but doesn't know the full extent of her plan. Miles looks for a murderer in his ranks.
When the rebels discover a way into the tower, a deadly battle between Miles and Monroe occurs and the Nevilles are excluded.
The rebels manage to infiltrate the tower and Aaron's know-how comes in handy tuning the power back on.