Other name: Boyfriend ; 남자친구
Politician's daughter Cha Soo-Hyun (Song Hye-Kyo) married the son from a family who runs a large company after graduated from college. Her marriage was a marriage of convenience for her politician father benefit. After having a child, Cha Soo-Hyun divorced her husband. She is now a divorcee.
Kim Jin-Hyeok (Park Bo-Gum) is an ordinary young man who know how to find happiness in small things. He tries to find a regular job while working part-time jobs. He keeps failing in landing a regular job at companies where he wants to work. He decides to go on a trip overseas There, he meets Cha Soo-Hyun.
An incidental meeting between two person who have nothing in common, end up leading to a hear-wrenching romance that turns both of their lives upside down...