The United States' economy is ruined. Hunger and violence are everywhere. The people are desperate. Thousands crowd Kennedy Airport to escape to Europe. Captain Jonah Scott fills his plane, the Delta Tango, with six hundred passengers bound for London. But while these lucky people are in the air, the ultimate horror engulfs the world. Nuclear holocaust. Now these six hundred are the only people left on earth. Now the Delta Tango must search for a safe place to land. Now Captain Jonah Scott is not only responsible for the security of his passengers but for the survival of the entire human race.