Heeseung is a killer, but a stalker. He's very wealthy and no one knows that he is a criminal in public because when he kills, he wears a mask. Meanwhile you're just an ordinary spoiled daughter. Because your family is a millionaire.

One day you were just in your bedroom sleeping but suddenly you felt someone cover your mouth with a handkerchief, making you unconscious.

You woke up in a dark room, tied up and there was a guy smirking but suddenly, he got shot there was a tall figure behind.

"Tsk... Lock your windows, princess." Heeseung smirked blowing the pistol