Riley is serving as a weapons officer aboard the USS Pennsylvania near the Gulf of Mexico when a mysterious outbreak forces the crew to strategize a way off the sub before it becomes their tomb, in this prequel to Fear the Walking Dead.
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.