Park Sunghoon is a heir of Mafia organisation and you as well, his and your family are mortal enemies and one day his father ordered him to make you fall for him, and when you already did fall in love he will kidnapped and kill you, he's so confident of what he's doing but then deep inside in his heart his falling in love with you hard. One day you were walking at the park with headphones on your ears and books on your hands, when he bump into you, and your books fall on your hands