He meets survivors Morgan and Duane Jones , who explain the basic rules of survival in the apocalypse.

Rick wakes up in an abandoned hospital after being shot in the line of duty.

The episode ends with Rick trapped inside a military tank surrounded by a massive horde of walkers, where he hears a voice over the radio. Key Production Facts

The story follows , a deputy sheriff who awakens from a coma to find the world overrun by the "walking dead".

Rick travels to Atlanta on horseback, mistakenly believing the city to be a safe "refugee centre".