When Alexis Pranton, princess and heir of the strongest vampire slayer line of all time, pursues the Lord of the Vampires, a mysterious male named Xavier, with the intent to kill him, he offers her an irresistible deal. She gives into him and begins to live with him in an effort to get information of her family's murderers, but they find themselves dangerously falling for each other... With a myriad of obstacles threatening to tear them apart, including a fellow slayer heir named Cailler, a jealous vampiress named Xeona, and the Vampire Prince and Xavier's own brother Zian, can Alexis and Xavier find their happy ending?