Yoona Grey. That was the name of the love of his life, desire and obsession. Yoona has being stalked since she was a little girl. At school, home and anywhere she went. She's been aware that someone was following her since she was little, she never found it threatening, she's grown up with it and found it part of her surroundings. She's comfortable with it. This person has been following her for more than 4 years now. One day she gets a new art teacher, what she didn't know was that he was the person that has been stalking her since her childhood. How will she react when she finds out? Will her life change for the better or for the worse?