This drama depicts positively about various kind of marriage forms between the characters: a normal marriage, divorced couple, remarried couple, common-law marriage, and cohabitation couple. Heo Gap Dol (Song Jae Rim) is an unemployed college graduate who has been trying to pass the civil service exam for years. His longtime girlfriend Shin Gap Soon (Kim So Eun) supports him by doing several part-time jobs in the hope of him finally passing the exam and proposing to her.