With the emergence of a baffling and deadly neurological illness in a hospital in Atlanta, 39-year old Cassandra Garriman, a brilliant, ambitious and strong-willed medical doctor, traces the mysterious disease back to a deserted island off the coast of South Carolina. She uncovers its alarming potential, though neither infectious nor contagious, to spark a regional or even a national health threat as well as bioterrorism, international espionage and geopolitical turmoil. What is it? How did it get to the island or the hospital in Atlanta? It must be stopped! It’s her fight to win.