Very Ordinary Couple

Yeonaeui wondo is a movie starring Moo-Seong Choi, Yeon-Soo Ha, and Ja-yeong Kim. About a series of relationship between two normal couple in Korea. Break up, get back together, break up again and so on.
The probability of a couple that had broken up getting back together and having a successful relationship is just 3%. Dong-hee and Young, who had broken up over a minor tiff, later realize their love for each other and end up getting back together. But will they be able to fit into the 3% bracket?