In Upstate New York, a zombie baby proves to be an obstacle for a diverse group of survivors, as they head cross country in hope of creating a cure for the living-dead condition.

In New Jersey, Cassandra's past comes back to haunt her; the survivors run out of fuel and undertake a dangerous mission in order to fill up.

In Philadelphia, a group of psychotic outlaws confronts the survivors and a connection exists between the two parties.

Soldier zombies in Washington, D.C.; 10K's mysterious past is revealed.

The survivors search for Warren's missing husband in Central Illinois; a zombie tornado threatens the group.

A utopian enclave might not be all it seems near Branson, Mo.; the group's encounter with a religious cult might cause drastic changes for the group.

While separated from the group, Addy and Mac spot the biggest herd of zombies they have ever seen, and they're getting closer.

The last surviving cosmonaut from the International Space Station crashes near the NSA listening station and encounters Citizen Z.

When Mack tries to have a real date with Addy, he finds himself in a nightmare that reminds him of a certain Bill Murray film with deja vu vibes.

Radioactive zombies aren't the only danger when the survivors visits a town in South Dakota on the brink of nuclear disaster.

An all-female commune in Utah is where the two groups of survivors reunite, but when someone winds up dead, the illusion of paradise is shattered.

Murphy learns more about his abilities after he is kidnapped by a group of outlaws trying to score Oxycotin; drug-enhanced zombies attack.

Citizen Z redeploys the survivors to meet with Murphy's doctor, but at the compound they uncover game-changing details about their mission and the origins of the zombie virus.