On an entirely normal, beautiful fall day, a small town is suddenly and inexplicably sealed off from the rest of the world by an invisible force field. Planes crash into it and rain down flaming wreckage. Cars explode on impact. Families are separated and panic mounts. No one can fathom what the barrier is, where it came from, and when-or if-it will go away. Now a few citizens, led by an Iraq vet turned cook, face down a ruthless politician set on seizing power under the dome. But their main adversary is the dome itself.