Working in war zones while treating the sick and wounded, Dr. Calista St. James was used to being under siege. But now, her team had been deliberately infected with a dangerous virus—and all signs pointed to it being an inside job.Before Calista could expose the traitor, she had to travel worlds away with black-ops agent Damian De Luna—a man she didn't trust—to find the cure. Radical steps were needed to stop this deadly outbreak—but could Calista stop the breakdown of everything she'd dedicated her life to fighting for?