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
