Jeong Yu Jin may seem like a normal high school girl who was loved for her bubbly personality and snarky sarcasm . Heck, even her sense of humor was decidedly quirky. People loved her for the mere fact that she was a bad with a good and she was determined to keep it that way. But what happens when the high school heartthrob/playboy lee Taeyong comes to know of her secret. Is she willing to go high and low to keep her secret safe? Or will she face the world head on.