For hundreds of years Vampires able to walk in the daylight because of the injection they had for years. It was a system that worked when it is followed precisely. But something happened that Vampires has no control. They can no longer go out and enjoy the daylight. And for this, the king ordered Ronan to go to the mines to find out. On his journey, he meets Lyra, a half-blooded vampire who is able to help him. It was very hard for Ronan and Lyra to defeat the enemy who was a threat to their kind. But with the bond they have for each other, nothing was impossible. But another challenge they are going to face, the feelings they have for each other even a short period of time they shared while they were on their mission. Lyra had lived among humans, only rarely encountering other half-blood vampires such as herself. Ronan was the first vampire she met. He couldn't help but wonder what might happen after the honeymoon had ended and finds out what he really was? An ex-assassin, a trained monster who had murdered countless people at the king's command.