America continues to teeter on the brink of collapse after terrorists detonate black-market nukes from container ships.
With deadly clouds of radiation swooping in from the wasteland of American port cities, Paul Edwards and his father-in-law, Buck, seek shelter in a spectacular government bunker, the likes of which has never been seen.
They've succeeded in finding safety from the dangers outside, but in a world without rules, trust can be a deadly thing.
