Civilization is but a memory. And this is the dismal world left behind. In their frightening new post-plague world, Adam Fisher joins forces with Sarah Wells, a soldier harboring a tragic secret, and Freddie Briggs, an aging football star grieving the loss of his family. As they trek across a ruined American landscape, the challenges mount around them, including the terrifying prospect that the Medusa virus may not yet be done with the survivors — cover.