In her previous life, Dr Julia Warner-Hyde was an engineer and rocket scientist until she fled one night in order to get away from her abusive husband Karl. Now, living in a quiet coastal town, she works as a first grade teacher. Until her colleague, Dr Seth Holt, tracks her down and insists she come back to the Air Force base because the Rogue missile system Seth and Julia once worked on has fallen into enemy hands. Reluctantly, she agrees to come back... but she has no idea that Karl is waiting for her, and that he has more than one sinister motivation for wanting her back. As Seth and Julia battle enemies both seen and unseen, they can no longer deny the call of their hearts and the longing they have for each other. But can their love survive the forces that would attempt to destroy them?