Dr. Rebecca Chamberlin hated nothing more than the vampires who had turned her loved ones into creatures of the night…until she became one herself. Now her experimental vaccine has become more urgent than ever, and has made her the target of vampire security chief Achilles Stefanos.Built like a god with golden hair and an irresistible allure, Achilles made her feel passion the way no mortal man had before. Beck could no more deny her craving for him than she could the hated bloodlust in her veins. But when her vaccine fell into the wrong hands, Beck had a difficult choice to make—one that challenged everything she'd always believed….