What did the world look like as it was transforming into the horrifying apocalypse depicted in "The Walking Dead"? This spin-off set in Los Angeles, following new characters as they face the beginning of the end of the world, will answer that question.
When Charlie shows up at the Tower unexpectedly, Howard recruits a young Ranger in training to determine the reason for her visit; as they journey beyond the Tower together, Charlie's true motives are revealed.