When the world's civilizations collapse from a lethal pandemic, being old can mean you have the experience and wisdom to survive and to see that friends and family do as well. Donal and Sheila McArn are seventy when most of the world is dying, and they must hold the line for everything they know. They may not have long, but so long as they live, they're going to do their best – and anyone against them had better step back. NOW!