Rick and Carl return from the woods to find the farm in jeopardy. The group is split up in the chaos, and Rickâ€™s leadership is questioned.
Someone dangerous may be on the loose. As night falls, Rick, Shane, Daryl and Glenn comb the woods to keep the group safe.
Hershel sets a deadline. All secrets are out in the open. Glenn stands up for himself and Shane takes charge.
Rick leads the group out of Atlanta. On the highway, they are stopped by a threat unlike anything they have seen before.
Glenn knows far too much. Daryl finds a sign of life and tries to make it back to the farm alive.
The group awaits Shane's return. Shane finds himself trapped in a school, surrounded by the undead.
Rick, Hershel and Glenn fight to survive. Shane finds Lori in danger on the road and makes it his mission to bring her back to the farm.
Rick and Shane come into conflict over the fate of an outsider. Andrea helps Hershel's daughter face a crucial decision.
Rick sides with Shane on an important decision, causing Dale to worry that the group is losing its humanity.
Rick and the others try to restore order. Hershel takes up an old habit and disappears, Rick and Glenn must follow him into town.
Shane's deadly sacrifice leads to unusual behavior. The rest of the group tries to hang on between living to die and dying to live.
Coming to the aid of another, Rick discovers a possible safe haven. Shane must go on a dangerous mission to get medical supplies.
Secrets are revealed. Andrea comes out of her shell. Everyone is becoming more and more aware that "everything is food for something."