They start off on the wrong foot and treats each other as if they were siblings, constantly fighting.
Ho-Jung's friend Cha Hee has a thing for Kyu-In and Ho-Jung later realizes that she too has feelings for him.
Ho-Jae, Ho-Jung's brother, is a player, who has good physical features.
Things start to get complicated for Ho-Jae when he falls for Ho-Jung's friend Soo-Ji, who does not have a physical appeal but has a good personality and intelligence.
Cha-hee had also dated Kyo-in during their youth, who rejected her.
After serving the army, Kyo-in was employed into a company together with his friend Gun-woo, whom he first met when they helped a fellow employee-to-be during an interview who had taken ill, and they became friends from there.
Their friends, Soo-ji and Ho-jae, met stiff opposition from their parents since their youth when they developed relations.
When Ho-jae was about to be enrolled into the army, Soo-ji ran away from home for a day, even forgetting to put on her shoes.
Neighbours Ho-jung and Kyo-in as youths have developed a quarrelsome relationship.
As a youth Ho-jung made several blind dates, namely Jae-young, Hyun-min, Jin-sung and Jeong Hoon.