The episode asks whether humans are a "virus" on the planet and if the walkers are a necessary corrective force.

Amy is a survivor from a group trying to reclaim territory to grow crops and rebuild a community. After being separated from her group, she encounters Dr. Everett and challenges his detached, scientific apathy toward human life.

"" is the fourth episode of the first season of the anthology series Tales of the Walking Dead . Set in a section of the American Southeast known as the "Dead Sector," the episode explores a philosophical and scientific clash between two survivors with opposing views on humanity's place in a world overrun by walkers. Plot Summary