"After surviving one of the deadliest epidemics in history, Dr. Peyton Shaw has uncovered a global conspiracy that will change humanity forever. Thirty years ago, Dr. Paul Kraus found a code in the DNA of one of humanity's lost tribes. To protect the secret, Kraus hid his work and disappeared. Now the technology exists to finally understand the mysterious code buried deep in the human genome. Dr. Peyton Shaw has obtained part of Kraus's work - and a cryptic message that could lead to the remaining pieces. She believes his work is the key to stopping a global threat. For Peyton, finding it may come at an incredible price: she must weigh the lives of strangers against those she loves."--Publisher's description.