Valleys of the Earth is a story of redemption set in a post-apocalyptic United States several years after an enormous solar plunges Humanity into a new Dark Age. From the ashes, a militarized cult known as "the Watchers" rises. Led by their prophets, the Watchers believe this apocalyptic event was brought on by their Angels, and that it is as a means of giving humanity a fresh start. Isaac, our protagonist, attempts to flee his past and right his wrongs. Along the way, his story becomes entwined with Kellen, a young woman fiercely dedicated to upholding a promise she once made. If the two are to survive, they must learn to trust one another; however, the Watchers are everywhere, and will stop at nothing to recover what they have lost.