Murphy's past comes back to bite him when a pregnant Serena tracks him down. Meanwhile, the survivors stumble upon a hidden Mennonite farm where the members are fighting for their lives against both zombies and anthrax.

A boating accident splits the group up as they are trying to cross the Mississippi; and 10K gets mixed up in Sketchy and Skeezy's latest scam, which leads to a frightening run-in with Escorpion.