After two years of living and adjusting to life after the bomb, Sarah and her son, John, have discovered that happiness can trump grief and loss. Together they've created a life of fellowship and hard work, pride of self and community, good friendships, and, for Sarah, love. But the moment a messenger comes to the camp with the news that the United States government is gathering up all of its stranded nationals to help them get home, is the moment their world begins to crumble.