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.

Genres

Cast

Hong Jong-hyun

Min Ho-soo

Park Ji-yeon

Seo Yool

Lee Joon

Ahn Ba-woo

Shin So-yul

Lee Ra-yi

Kim Bo-ra

Yoon Gong-ji

Yoon Hee-seok

Jung In-woo

Jung Woo-yeon

Jeong Yoo-mi

Go Kyung-pyo

Bong Il-tae

Jung Kyung-ho

Min Chan-ki

Nam Hyun-joo

Ho-soo’s mother

Jeong Man-sik

Ba-woo’s father

Jeon So-min

Ba-woo’s date