A family struggles to reunite in an American landscape void of electricity: a world of empty cities, local militias and heroic freedom fighters, where every single piece of technology -- computers, planes, cars, phones, even lights -- has mysteriously blacked out forever.

On the run from Militia, Nora leads Miles and Charlie back to the Rebel camp. Meanwhile, Aaron and Maggie search for Grace and Danny stands up to one of Captain Neville's men.