walkers" or "biters" (as the zombies are referred to in the show), who The plot focuses primarily on the dilemmas the group faces as they struggle to maintain their humanity during the day-to-day challenges of surviving in a hostile world. This includes battling the zombie hordes, coping with casualties, and dealing with predatory human survivors.
The group is led by Rick Grimes, who was a sheriff's deputy[3] before the zombie outbreak. At every turn they are faced with the horror of the walking zombies, the changing dynamic of their group, and hostility from the scattered remains of a struggling human populace who are focused on their own survival now that society's structures have collapsed.