Which is easier to do? Break someones heart? Or, reconcile with someone who broke your heart? Whos to break? Whos to reconcile? Song Ji Hyo is the only daughter of the Song Eduphone Incorporateds founder. It is the leading publishing house in South Korea. Although she has been known as the only daughter of a rich entrepeneur, her feet are always on the ground. In fact, she will be married to an ordinary man with or without her parents approval. However, a month before the wedding, her boyfriend dumped her. She couldnt take it and so she decided that shell look for the man whom she cannot live without.  Kim Jong Kook is the toughest man on their Security Protection Agency (SPA). He was hired to be a personal bodyguard of the only daughter of a successful business man in and out of their country in East Asia. They are entrusting the woman to him on searching for her boyfriend in Seoul. He is known as the ruthless and emotionless agent in their country, and being her bodyguard is just a piece of cake for him.  Foreword What will you do if you were hired as a personal bodyguard of the most significant woman in your country? Will you be able to guard your heart if the woman that youll protect and you should guard has all the qualities that you are looking for in a woman? "There is only one fact as everybody knows - you start to get hurt the moment you begin to care." - Kim Jong Kook    "Theres this one of the two quotes that I like, "One day, youll be surprised to see yourself smiling at the thought of caring for someone so much who used to be just an ordinary person."" - Song Ji Hyo