每段爱情刚开始时都是美好的，但是随着时间的推移，美好的爱情会慢慢变质，有多少人能熬过六年之痒？多珍（金荷娜饰）在外人面前是个幸福的女人，她拥有一份体面的工作-出版社的策划，负责爱情方面的书，经她策划的书都很畅销。最重要的是她还有学生时代就在一起的男友在英（尹启相饰），在英是家庭电视购物的制作人，是万千少女的偶像。这两人郎才女貌，非常般配。可是他们的爱情却从以前的如胶似漆到现在的剑拔弩张。多珍是个浪漫的女人，但毕业后的在英总是忙于工作，他陪她做的所谓浪漫之事就是在阳台上看夜景。两人之间的关系不似从前般和睦，为了珍惜这段爱情，也为了改变目前的现状，两人决定将目前的关系推进一步，进入同居状态，但是没想到，零距离的接触却让彼此的关系变得更僵，一度到了要分手的地步。内忧外患，他们除了要面对自己的问题，还要应对外面埋伏着“第三者”

Every love is beautiful at the beginning, but as time goes by, the beautiful love will slowly deteriorate, how many people can survive Six-year itch? Duozhen (Jin Ha Neul) is a happy woman in front of outsiders. She has a decent job-the planner of a publishing house, responsible for books on love, and the books planned by her are very popular. The most important thing is that she also has her boyfriend Jae-young (played by Yoon Kye-sang) who was together when she was a student. Jae-young is the producer of home TV shopping and the idol of thousands of girls. These two men are talented and beautiful, and they are very well matched. But their love has changed from being gluey in the past to being tense now. Duozhen is a romantic woman, but after graduation, Jae-young is always busy with work, and the so-called romantic thing he does with her is to watch the night view on the balcony. The relationship between the two is not as harmonious as before. In order to cherish this love and change the current status quo, the two decided to take the current relationship a step further and enter a cohabitation state. The relationship between the two became more rigid, and at one time it reached the point of breaking up. Internal and external troubles, in addition to facing their own problems, they also have to deal with the "third party" lurking outside