The world is now on the brink of a sixth major extinction event. Those who have survived don't look at themselves as the lucky but the cursed. Devin is desperate to find Tess. Operating on a hunch that she may have survived, he will complete his transformation into the man he never imagined he could be. With mercy only for the innocent, he will deal lethal blows to those who dare get in his way. Travis finds himself lost following Lori's death, but Cassidy will give him purpose again. Longing to find Tess and Cassidy needing to know if Devin is alive, they both will venture across the wasteland that is America. The road will be long and harsh but the two will find solace in each other. Chancellor Horton has escaped with a new virus more lethal than The Death. He is determined to fulfill his plan of world domination but what he doesn't realize is this new virrus is unpredictable and if released will doom many species on the planet. As the world careens towards another disaster, can Devin, Travis and Cassidy complete their journeys and reunite with the ones they love?