The Morningstar Strain has decimated the Earth's human population and left the rest as ravening zombies. For the survivors, it is the beginning of their new, terrifying lives. Sawyer, a devious agent of the Reunited States of America, believes that one of the survivors, Dr. Anna Demilio, already possesses the cure, and will stop at nothing--even the killing of non-infected humans--to find her and take it for his own.