Ten years ago, we dug too deep. We unleashed something ancient that couldn't be controlled. Something that couldn't be stopped, twisting everything it touched into more of itself. The Spread. Humanity was nearly destroyed before we found a way to slow the Spread to a crawl. Now, deep inside the quarantined zone, one man has found the key to stopping it forever: a baby girl. And if he can save her, he might save the world.