Jae-young and Da-jin have been going out for 6 years. Living next door, their sex is not so hot as before but they know everything about each other. Da-jin doesn’t mind to let Jae-young buy a tampon for her. Jae-young visits Da-jin’s mother from time to time to repair the house or just to say hello. One day, a fresh young girl approaches to Jae-young while Da-jin encounters a charming man through work that she shares a lot in common with herself. When these new people bring fresh air to their lives, their long love relationship starts to shake down.

(Source: http://www.koreanfilm.or.kr)