In a world where vampire hunters and vampires are mortal enemies, Freya Trywolf finds herself torn between duty and desire. After her father is allegedly killed by a notorious vampire named Marshall, Freya takes over his position in the Association of Vampire Hunters and sets out to avenge his death. But when she finally confronts Marshall, he does the unexpected: he kisses her, sending Freya's world into chaos. As she struggles to reconcile her feelings for Marshall with her duty to hunt and kill vampires, Freya finds herself drawn deeper into his world when she begins to believe Marshall's claim that he was not the one who killed her father. She begins to risk everything for a desire that is both dangerous and forbidden. She must remind herself that she is a Vampire Hunter , and that she must stay away from Marshall who is a vampire even if he was not responsible for her father's death, because hunters they were meant to be sworn enemies. But will she succeed in running away from what she desires?