In one passionate night Special Agent James Reynolds and scientist Kelly Jarvis went from friends to lovers. Then Kelly walked away with only an apology. Now James is charged with solving a bioterrorist attack – and Dr. Jarvis works at the suspected lab.

Is Kelly an accomplice or a victim? Just what are her secrets that drove her from James's bed? Soon one thing becomes clear: The ghosts of her past have nothing on the terrorists targeting her and Washington, D.C. Another threat bathes the city in red alert, and now there are lives at stake, in addition to hearts...