A popular high school student, who is the top student of her class, mysteriously dies. Six of her friends who graduated from the same elementary school attempt to track down the reasons for her death. While the six friends try to find the truth behind her death, they struggle with teenage hardships and academic pressures.
as Min Ho-soo
as Seo Yool
as Ahn Ba-woo
as Baek Hyo-ahn
as Lee Ra-yi
as Yoon Gong-ji
as Lee Sang-yong
as Yoo Yeo-jin
as Jung In-woo
as Bae Tae-rang
as Jeong Yoo-mi
as Bong Il-tae
as Min Chan-ki
as Speaker
as Ho-soo’s mother
as Ba-woo’s father
as Ba-woo’s date
as Ra-yi’s mother
as P.E. teacher
as Teacher
