A class of students stays at school for a camp in an elite study group to finesse theirs and the school's grades. Upon the first night, the swimming coach is found murdered. As the students try to figure out what happens, a voice informs them that if they don't figure the murder out, students will begin dying in quick succession.

Genres

Cast

Kim Soo-ro

Cha Seon-sang

Hwang Jung-eum

Eun-su

Park Ji-yeon

Se-hee

Yoon Shi-yoon

Kwan-woo

Park Eun-bin

Na-rae

Ji Chang-wook

Soo-il

Yoon Seung-ah

Tae-yeon

Lee Ah-jin

Ji-yoon

Nam Bo-ra

Hyeon-a

Yeo Min-joo

Yong-ran

Son Ho-jun

Jung-bum

Kwon Hyun-sang

JK