For Emily Parkington, the thrill of flying charter planes for Praxis Air has lately been tinged with dread. Mysterious cargo flights and a high number of fatal crashes lead Emily to suspect something sinister behind the scenes. And if her new colleague is involved, Emily won't hesitate to turn him in, in spite of Sam Archer's sexy charm and irresistibly easy confidence.

Enemy or potential ally? Sam can't be sure of anything where Emily is concerned, except how much he wants her. Immune to the zombie virus created through military research, Sam is working undercover to find out if Praxis is trafficking forbidden technology. It was a potentially deadly assignment even before he found himself distracted by a woman he scarcely knows. And when a "controlled” experiment goes horribly wrong, there will be no limit to the danger they both face…or how far he's willing to go to save her…