The drama is adapted from the popular webtoon of the same name by Jung Kyung-yoon in 2013. It tells the story of Lee Young-joon, the vice president of a consortium with perfect looks and extraordinary abilities. His personal secretary Kim Mi-so is the only one who helps him solve his problems. Kim Mi-so has been with Lee Young-joon for 9 years and has been by his side. One day, she suddenly decides to resign, which makes Lee Young-joon determined to do everything he can to keep her...