The world was warned.
The last great flu epidemic near the beginning of the previous century killed millions upon millions of people. Now, a new super-flu has infected humans and wreaked havoc in every country of the world in a matter of days.
In Saline, Michigan, four teenagers are caught in this world gone mad. Those still alive must fight to survive. They will do whatever it takes to save themselves?and each other?in a world where only the strong survive and the weak will die. A world that, no matter what happens, will never be the same again . . . .