Rick and the group are allowed into the CDC by a strange doctor, but all is not what it seems in their newfound haven.

Concerned for their safety, the group makes a plan – one that Hershel disagrees with adamantly. He makes it clear the group is fine to stay for now, but not indefinitely.

Someone dangerous may be loose near the farm; Rick, Shane, Daryl and Glenn keep the group safe.

Andrea and Michonne find a new community of survivors; a decision must be made.

The group is severed, placing lives in jeopardy; Merle has a request for the Governor.

As the group faces a brand new enemy, Rick and the others must fight to protect the livelihood they worked so hard to create at the prison.