When a 23 year old jobless Kim Minjee is ordered by her parents to move out. She tries to find the cheapest apartment which she actually does, besides the roommate is her ex-boyfriend Jeon Jungkook. Rejecting the apartment she searched for more apartments but all of them were out of her expense. Irritably, she agrees to move into the apartment. Squabble,taunts,grudging becomes a part of their routine as their hatred keeps growing towards each other. At the point where life couldn't get any more inferior they both interviewed in the same company and got accepted. Everything continues the way it was but soon enough a shocking truth comes out. Turns out the equivocate they were believing all these years was just a little game of their so called highschool best friends. Pavement was the only thing which they both were asking for from each other. After a whole journey of emotions they became comrades again with a fresh new start but what they didn't know was there is a person who is not gonna let them live tranquilly. Will they be able to survive the circumstances or will they part their ways?