Her duty is to stop an assassin, even if it is the man she loves. A murderous computer program has seized her cyborg partner's body and mind, turning him into a super assassin bent on destroying everything she's vowed to protect. In a high-stakes game of cat and mouse, Kimber FitzWarren faces her deadliest challenge yet, a man with all the skills and knowledge of her lover Wolf Youngblood, but controlled by the mind of a killer. Fitz has to find a way to protect her Emperor while keeping her adversary alive until she can free her partner. A prisoner in the dark labyrinth of his own mind, Wolf struggles to regain control of his body, concocting a plan to use the killer as a Trojan Horse to lead him to his attacker. In the meantime, he can only watch as a helpless passenger as the assassin plots to kill all the people he loves.