Dark heart: Hell sent hubby

He has being taught of the cruelty and blood thirsty nature of the vampires, his life's purpose is to end them.
However what happens when he finds himself surrounded by the creatures he had grown to loathe.
A powerful existence that shakes world is put in the palm of the hand of a overly righteous human, everything about him changes in a span of little time.
When natural enemies meet, they are destined for each other but the views they grow with will serve as an obstacle to their love.
Will a hunter who lives to kill the vampires ever change his mind about the vampires