In New Jersey, the survivors run out of fuel and embark on a dangerous mission to replenish their supply. Meanwhile, Cassandra's past comes back to haunt her.

Mack attempts to go on a real date with Addy, but ends up stuck in some Groundhog Day-like nightmare.

Murphy is kidnapped by a group of outlaws trying to crack the "Fort Knox of Oxycontin." As the survivors battle drug-enhanced zombies, a startling discovery is made about Murphy's abilities.

The survivors search for a "natural" cure for the virus at a greenhouse that's being guarded by zombie-plant hybrids.

The team reaches California and thinks back to the beginning of the zombie apocalypse.

Warren and team encounter the sole inhabitant of a strange town; Murphy begins a new mission.

Warren and the others inspect Murphytown and realize they are going to need a bigger army to extract Murphy.

Lucy fights to save Murphy's life; Warren and the others battle a biologically modified Franken-Zombie guarding a clue to Warren's dream.

Warren must leave her new life behind and find her way to Newmerica, reuniting with Murphy and the other heroes, while discovering George is an old friend.

With some help from an outpost of renegade hackers, Warren and George hack Altura's defenses and discover Estes' secret plan.