Rick Grimes wakes up from a coma to a zombie infested world and meets this man Morgan Jones and his son Duane. After Morgan gives insight into the situation, Rick sets out to Atlanta to find his missing wife and son.
Rick finally reaches Atlanta, and is escorted to a small camp kf survivors where he is reunited with his wife and his son.
The survivors learn vital information from a walker. Rick's friend Shane grows jealous of Rick's sudden return.
Shane and Rick have a disagreement whether to stay or leave, and Rick feels the group needs more guns. Rick and Glenn make a trip into the city limits to get more gus, but not without trouble. Lori is keeping a secret from Rick.
Ruck teaches the survivors how to shoot. Shane becomes increasingly angry at Rick. The camp suffers casualties when attacked by zombies.
The group mourns for those that have died. Shane pulls a gun on Rick and is about to shoot him when Carl shoots him in the neck.