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.

In order to rescue Danny, Miles knows he and the gang will need help. Thus, the search begins for Nora, a rebel fighter battling against the Militia. Meanwhile, Aaron confides in Maggie and Danny lays witness to what Captain Neville is capable of.

Miles, Aaron and Rachel have found themselves in a mysterious small town, in the great nation of Texas where Rachel unexpectedly encounters an important figure from her past. Charlie finds herself on a mission in the Plains Nation while Neville and Jason search a refugee camp for a lost loved one. Meanwhile, Monroe has discovered a gritty role in his new environment.