First, the unthinkable: a security breach at a secret U.S. government facility unleashes the product of a chilling military experiment. Then, the unspeakable: a night of chaos gives way to sunrise on a nation, and ultimately a world, turned to hell. All that remains is the long fight ahead for the stunned survivors faced with a future ruled by fear—of darkness, of death, of a fate far worse. As civilization crumbles, two people flee in search of sanctuary. FBI agent Brad Wolg