'You have killed me, body and soul.' Caira Aurlyn is an assassin trained by the blade, held back only by her lack of magic. A fault that is not her own. Her powers were stolen from her as a child by the Veneficium. So when the opportunity arises to infiltrate the very kingdom that took everything from her, she takes it. Even when it comes with the price of killing its king. Acacio Vae is the newly crowned king of the Veneficium, reluctant and laced with melancholy. He would do anything to protect those he cares about. So when a woman falls from his gates, with a blade in he is ready to kill. A bargain is stuck, but who will survive it?