. The virus killed all but 1 in 10,000. The few remaining people are left in a world of virtually unlimited resources. Grocery stores overflowing with food and drink. Thousands of empty houses to pick from. But one survivor, a nineteen-year-old girl, requires more than simple food, water and shelter. As a type 1 diabetic her body desperately needs insulin to stay alive. With civilization gone, no one manufactures it anymore. She hoards all the insulin she can find, but every day marches toward the end of her stash of vials. She has a choice. Accept her fate and death, or tackle the almost insurmountable task of extracting and refining the insulin herself. Brilliant scientists struggled to make the first insulin. What hope does a high school dropout have?