Mark Albet is thrust into a world of vampires and angels as he struggles to understand the reason behind his wife's murder. While Mark struggles in his new reality he gets help from his longtime friend, Sarah. Mark's feelings for Sarah grow and become confusing as she attempts to prepare him for life as an Asuune, an immortal half-angel, in their fight against vampires. Mark's love for Sarah can never be revealed to her because each Asuune only gets one true love and Sarah already knows who hers is. If Sarah already knows who her love is then why does she insist on making Mark's life more difficult by teasing him with sexual advances and innuendo?
Kathrine Albet, Mark's daughter, must find her place in the Asuune world to help her father find and rescue Sarah. After accidently stumbling across this strange world of vampires and angels, Kathrine comes to realize that this new reality is exactly where she truly belongs. While helping her father she meets her true love, Paul, only to find out that this alluring man is helping the vampires. With the help of her new Asuune friends, Kathrine strikes out to find out what kind of man Paul really is and if his feelings for her are the same.