Rick Grimes, a sheriff's deputy from Kentucky, is wounded in action and emerges from a coma to find the world plagued by the undead. Upon returning home, he finds his house ransacked and his wife and son gone. Rick travels to a military evacuation zone in Atlanta to find his family, only to find Atlanta has been overrun. He is rescued by Glenn, and returns to Glenn's camp, where he finds his wife and son. The camp is eventually attacked by zombies, leading to several deaths. Following the attack, Shane Walsh tries to murder Rick, but his son, Carl, shoots Shane