An encounter with a seeming Utopian enclave and a religious cult results in a game changer when the survivors travel near Branson, Mo.

As they travel across Nebraska, the group finds themselves trapped in a morgue as a literal zombie tsunami engulfs them; at the same time, Citizen Z gets a visitor who might not be who he seems to be.

The survivors square off against radioactive zombies when they arrive in a South Dakota town that's on the brink of nuclear disaster.

While Murphy is falling for his baby girl, the rest of the team is suspicious of her; Vasquez sneaks away for a meeting; 10K makes a difficult decision.

The team finds an abandoned Air Force base and discovers what looks like alien technology.

Doc and Addy try to convince Lucy's family to follow them; Murphy tests 10K's allegiance.

The team is captured by an Unseen Force and enslaved in an elaborate underground facility, forced by their mysterious captors to perform a series of bizarre, dangerous tasks.

Warren and our heroes must stop Zona from launching operation "Black Rainbow".