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.
Doc and Addy try to convince Lucy's family to follow them; Murphy tests 10K's allegiance.
The survivors square off against radioactive zombies when they arrive in a South Dakota town that's on the brink of nuclear disaster.
The two groups of survivors reunite in Utah, where they come upon an all-female commune that seems like paradise—that is, until someone ends up dead.
