Arabella has been a rule breaker and a party goer. Her mother sent her to a remote boarding school where she could stay away from the life she used to be. She hates it and made a few move just to get out from there. The place was creepy and so with the monsters that hunts her. Even the famous guys in her school made her as the center of their attention and became the knights-in-shining-armors in every dangerous situation. Little by little, she started to get closer to them and began to uncover their secrets. And as soon as she found what they have been hiding, the secret of her identity as a luna finally reveals. And she had one thing to do-- to choose a mate from her four knights.

Kian was the forth in line to the throne of his father who was the head of the De Luca Mafia. He was raised to be the most perfect human being in their world. He did everything he could just to get his father's favor, even if it means taking the lives of their enemies. To earn his father's favor, he took the mission on the assasination of their enemy's only child. But then, it turns out that the target was a woman. And she was not just any other woman. She was the most beautiful woman he saw his entire life. Soon, the admiration he felt started to be an obsession he can't stop.