A likeable, married high school teacher spirals out of control when a student in his class begins unintentionally reminding him of his doomed first love, which ended 17 years earlier.
as Seo In-woo
as In Tae-hee
as Im Hyun-bin
as Yeo Hye-joo
as Kim Chul-sung
as Kwak Yoon-jung
as Kim Jin-tae
as Lee Dae-geun
as Kim Min-jae
as Cho Jae-Il
as In-woo's Wife
as Director of Student Affairs
as P.E. Teacher
as Professor of Sculpture
as Substitute Teacher of Korean
as Courier
as Supermarket Owner
as English Teacher
as Sculpture Schoolgirl
as Class President
