Families are going hungry. Children are being sold. Kitty Williams lives in a world where Summit Industries controls everything, including the line between life and death, youth and old age. After arriving in the city, Kitty is admitted to the hospital and learns something about herself she never thought would be true. With this new information transmitted to Summit, Kitty is on borrowed time as she rushes to learn more about the horrors behind Summit's famous serum and the secrets that hold her world together.