A lone traveler’s wearying journey is interrupted by new acquaintances, some who become friend, others who become foe.

A troubled survivor finds allies in an unexpected place. Meanwhile, the life Madison has fought to build comes under threat.

Mortally wounded Morgan must decide whether to help a desperate stranger while a mysterious bounty hunter tries to finish what Ginny couldn't.

With a decimated militia and scarce resources, the survivors are running out of options.

Grace wakes up with her memory blurred and sees what her world's become years later.

Everyone struggles desperately to live the destruction that is approaching on their own terms.

While most of the landscape is destroyed by nuclear warheads, Strand thrives in one of the few inhabitable places left; Strand's search for survivors uncovers a stranger with an unexpected connection to his past.

As Morgan, Grace and Mo struggle to adapt to life on the submarine, a food shortage forces them to face the nuclear fallout outside the sub.

Alicia enlists Morgan's help to search for a new home for her people, but Morgan soon learns the search is more complicated than he imagined.

Alicia takes refuge in the home of a mysterious stranger. With her fevers growing worse and Arno pursuing her at every turn, Alicia is forced to confront the failings of her past and how she will face her future.

As the survivors prepare to escape the area by raft, Alicia turns back to save one more person trapped in the fallout.

Morgan finds a new ally who turns out to be more trouble than he bargained for.

After going undercover at PADRE, Morgan and Madison find themselves back at odds trying to do what's best for Mo while struggling to accept their new lives under the watchful eye of PADRE.

After fleeing PADRE, June's safety and solitude are threatened by an unwelcome reunion with Dwight and Sherry and a desperate father's search for his missing daughter.

Mo's hunt to prove PADRE's true intentions has her in over her head as she's drawn into the larger web of secrets and subterfuge of the adults who care for her.

Morgan's return to King County gets complicated when PADRE comes to collect.

Morgan fights his past as he and Madison race to stop PADRE's expansion.

As the series comes to an end, the fate of PADRE's survivors seems to rest in the hands of an unexpected hero.