Yeong-nam, an exam instructor, faces challenges after a student's death due to exam stress. He embarks on a journey to teach elementary school kids despite battling cancer, highlighting struggles and triumphs in education.
엄태웅
as Kim Yeong-nam
박상면
as Vice Principal
전수경
as Principal
윤현숙
as PTA President
최이나
as
남대협
as
홍정민
as Eun-bi
이재준
as Joon-soo
조재영
as Chang-il
임한빈
as
한창민
as
도연
as
