Special Agent Renee LeBlanc was deep undercover, close to exposing the leader of a terrorist cell. Then he showed up in the midst of her op. Mark Alexander, the only man who had ever upset Renee's uncanny instincts--a man who could blow her cover with a word. The desire between them was as strong as ever, but who was Mark really--ally or foe? Hero or villain? Lover...or assassin? These were decisions she had to make.