An infection has torn through Pittsburgh, PA, causing people to mutate and kill everyone in sight. In a matter of hours, mutants have overrun the city. There is little hope to survive the infection. Trevor Neal is trying to do just that while protecting his son and friends. Now he must make his way through the carnage to make it to salvation. Mutants are only the beginning of Trevor's problems as secrets are revealed that may have deadly consequences, as well as old enemies who also want him dead. In a world full of death, the only goal is to live. Along with his son, Stephan, and friends Lexis and Barney, will he make it to safety or lose everyone he loves?