Rick unknowingly causes a group of survivors to be trapped by walkers; Rick must confront an enemy more dangerous than the undead.
Hershel and others try to stabilize the sick cell block. Rick returns from his run to find the prison slowly deteriorating. With the collapsing fence and outside forces, the threats continue to pile on for the group of survivors.
Rick and Carl make it out of the woods but find chaos on the farm, where the group has been split up and people are questioning Rick's leadership abilities. Season 2 finale.
Since they are outgunned against the Governor's forces, Rick undertakes a mission to get more weapons.
The appearance of an outsider puts Rick and Shane at odds; Hershel's youngest daughter faces a momentous decision and Andrea steps in to help
Beth and Daryl grow closer together as they find temporary shelter at a funeral home. Maggie splits from Bob and Sasha to go looking for Glenn by heading toward Terminus, but they follow after her in hopes of catching up with her.
The group await Shane's return, unaware that he's trapped in a school surrounded by zombies; Daryl and Andrea scour the woods for a missing person.
Against his better judgment, Rick heads back to Atlanta to recover his cache of guns and ammo and hopefully retrieve the redneck bully originally left behind. Meanwhile, Lori and Shane are shocked by the return of someone they feared was dead.
Rick possibly stumbles upon another safe spot while attempting to come to the aid of someone in danger. Meanwhile, Shane heads off on a mission for much-needed medical supplies.
The group debates the next step; Rick searches for a lost friend; Daryl and Merle question their choices; the Governor restores order.