High school senior, Jayo is seduced into his first sexual experience by classmate Hara, who eventually kills herself when he ignores her. Since then, he immerses himself in loveless sex until he meets cheerful nurse, Namok. Meanwhile, his pal Seuin has developed a crush on his teacher, which is socially taboo.

Kim Rae-won
as Kim Ja-hyo

Kim Jeong-hyeon
as Yi Sue-in

Jin Hee-kyung
as Yoon Jung-hye

Bae Doona
as Seo Nam-ok

Yoon Ji-hye
as Ha-ra

Kim Joo-ryoung
as

Kim Jae-young
as Seo Wan-jae

Ham Sin-yeong
as Ha Jeong-tae

Park Chan-im
as Oh Dal-soon

Lee Yong-nyeo
as Hara Mo Station