Isla: An average girl with a past of darkness. Tricia: The daughter of the rich Empire Business, and the heiress, Isla's dead twin. Violet: Leader of Assassin's Creed, Queen of the Underground. All three distinct identities merge into one person. What would happen if a curious cold mafia heir named Seth crosses her path? Will Seth make her secrets unravel? Or would Isla, with him, reveal herself? Upon the death of her sister, Isla will do whatever she can to get revenge after so many years have passed. Hardly capable moving on from the dark experiences, a ghost from her past looms at the very corner of their lives.

A new place, a new beginning, leaving the past behind. But what if all of this came back crushing you down? The man you're trying to forget jumps up in an unexpected way in front of you. Are you going to open your arms again? Or you're going to shut your heart forever.

Marrying to a stranger is one thing, facing the creatures lurking in the dark is another, meeting the enigmatic hunter and the evil King to defeat turns Adelaide's world upside down. There is certainly a spiraling adventure in a world where mythical creatures exist. They said that love can conquer everything, but is it? Falling in love is easy, but can you really fight it to the end? What does more love or duty weigh? Are you going to give up your duty of love? Or will the death of love be your duty?