Song Ji Hyo works as a secretary for the senior Mr. Kim for 7 long years. During those years she got into a relationship and broke up with Kim jong kook without her knowing that Kim Jong Kook is the heir of the company she works at. What will happen if the senior Mr.Kim step down from his position and gave the said position to his son, Kim Jong Kook? What will happen with the two ex-lovers when Song Jihyo decided to pursue Kim Jong Kook after leaving him 5 years ago? What will happen if Kim Jong Kook doesn't care about Song Ji Hyo anymore? And most importantly, how can Song Jihyo makes Kim Jong-kook wants her again?