Rick Grimes drives his police car to Atlanta where he hopes to find his wife and son. He was told that the government had setup safe zones in large cities after the dead came to life and starting killing. On the way the police car runs out of gas causing Rick to search for a new ride which he finds in a nearby farm. Now on horseback Rick continues to Atlanta and upon getting there finds himself surrounded by undead. While fighting a losing battle that had already killed the horse Rick is saved by a young man who leads him outside of the city. The young man tells Rick that the government failed to protect the people in the cities and most of the people were now undead. Rick discovers his wife and son at the camp the young man had taken him to.