No Eun Seol is struggling to find a job due to her feisty attitude that hindered her academic progess. After going on countless interviews, she finally lands a secretary job at one law firm having impressed one of the directors, Cha Moo Won (played by Jaejoong), with her fiesty attitude. Little did she know that she was to be the secretary of Cha Ji Heon, the immature youngest son of a Chaebol family.