What happens when a simple crush, turns into something dangerous?

Oh Sehun, the worlds top 5 bachelor of all time. He get's everything he wants and anyone. One day when he is in his limo driving to a concert he saw a girl walking with 5 grocery bags in her hands and stopped the limo than opened the door and helped her. They met each other's eyes and he invited her to his house, little did she know that she would sign with the world's most famous playboy, player and cheater. She is force