Dongchul, who is managing a small bar, is always enthusiastic about his school reunions. One day, Yujin, who has never showed up to a reunion, shows up at his bar. Her baby face and vitality make her unlike other married women and all the men fall for her, especially Dongchul. They start a relationship but it abruptly flames out due to the sudden arrival of Dongchul’s wife. As they get to know each other's secrets, will their love be allowed to grow?
Jo In-woo
as Dong-cheol
Kim Yoo-yeon
as Yoo-jin
Lee Hyeon-seong
as Sang-joon
김늘메
as Maeng-hoon
Yoo Seung-hyeon
as Yeong-mi
Choi Go-eun
as Mal-ja
Lee Hyeon-joo
as Soon-jeong
Kim Jang-dong
as Alumnus 1
이창수
as Alumnus 2
Seon Jeong-hwa
as Alumnus 3
Kim Si-jin
as Alumnus 4
Seo Na-hye
as BAR employee 1
