"Stay and die, or run and survive. Twins Virginia and Tommy Matthews have been on their own since they were orphaned at the age of five, surviving a merciless foster care system by relying on each other. Twelve years later, the world begins to collapse around them as a deadly contagion steadily wipes out entire populations and a devastating world war rages on. When Tommy is drafted for the war, the twins are faced with a choice: accept their fate...