Drama / Thriller /

Score: 73.6%( 118 votes )

Overview: A female detective investigates the cause of a high school girl’s death and uncovers a disturbing truth.

Cast:

Kim Si-eun
So-hee

Bae Doona
Yoo-jin

Jung Hoe-ryn
Jun-hee

Kang Hyun-oh
Tae-joon

Bahk Woo-young
Dong-ho

Lee In-young
Eun-ah

Park Hui-eun
So-hee's Mother

Kim Yong-jun
So-hee's Father

Sim Hee-seop
Former Team Manager

Yoon Ga-i
Ji-won

Jung Soo-ha
Jung-in / Customer Oh Joo-yeon (voice)

Park Yoon-hee
Director

Choi Hee-jin
Newcomer Team Manager

Yoo Jeong-ho
Head Manager

Moon Jung-woong
Headquarters Staff 1 / Customer Choi Cheol-woong (voice)

Kim Tae-yoon
Headquarters Staff 2

Yoo Jae-won
Call Center Colleague Yoo-jeong

Kim Hee-won
Call Center Colleague Seon-ae

Park Seo-kyoung
Call Center Colleague Park Seul-ki

Kim Woo-kyum
Detective Bae

Kim Tae-woong
Detective Kim / Customer Yoon Won-sang (voice)

Song Yo-sep
Chief of Criminal Division

Na Jong-min
Chief of Police Station

Heo Jeong-do
Homeroom Teacher

Park Soo-young
Vice Principal

Kwon Da-ham
Chief of Staff

Hwang Jeong-min
School Vice-Commissioner

Han Hye-ji
Former Team Manager's Wife

Sim Ji-an
Former Team Manager's Son

Eom Ok-ran
Bar Owner

Kim Soo-yeong
Practice Room Member Soo-yeong

Lee Hwa-young
Practice Room Member Hwa-young

Yoo Jae-yeon
Practice Room Member Jae-yeon

Cho Yu-jin
Practice Room Member Min-ji

Lee Ji-ho
Practice Room Member Ji-ho

Jang Eun-jeong
Practice Room Member Eun-jeong

Lee Jong-min
Gopchang Restaurant Man

Oh Joong-hoon
Call Center Guide Staff

Na Won-hee
New Colleague Myeong-kyeong / Customer Koo Min-seo (voice)

Jo Ha-min
New Colleague Eun-hwa

Kang Hee-min
Call Center Agent / Customer Lee Joo-bin (voice)

Ko Ha-eun
Call Center Agent

Kim Do-yeon
Call Center Agent

Kim Mi-ri
Call Center Agent

Kim Soo-yeon
Call Center Agent

Kim Chae-won
Call Center Agent

Kim Hye-yoon
Call Center Agent

Park Hyeon-yeong
Call Center Agent

Park Hyeon-ha
Call Center Agent

Baek Seo-yeon
Call Center Agent

Son Jin-joo
Call Center Agent

Yang Ah-reum
Call Center Agent

Yang Yeon-hee
Call Center Agent

Yoon So-hee
Call Center Agent

Yoon Ye-hyeon
Call Center Agent

Lee Se-min
Call Center Agent

Lee Soo-bin
Call Center Agent

Lee Yoo-song
Call Center Agent

Lee Han
Call Center Agent

Im Jin-kyeong
Call Center Agent

Jin Min-jeong
Call Center Agent

Choi Ha-won
Call Center Agent

Park Gun-joo
Tae-joon's Bullying Colleague

Kwon Joon-yeol
Tae-joon's Factory Colleague

Cha Woo-young
Tae-joon's Factory Colleague

Lee Seung-yeong
Tae-joon's Factory Colleague

Yoo Yong-hee
Parking Lot Security Guard

Lee Yoon-ji
Female Employee on Her Way to Work

Min Jae-won
Security Guard

Sin Ho-yeon
Security Guard

Jeon Jeong-hoon
Security Guard

Park Hyeon-gook
Human and Net Staff

Park Seong-woong
Forensic Examiner

Jang In-tae
Funeral Staff

Lee Chae-yeong
Redhead Trainee

Son Yoo-jin
Trainee

Ahn So-jeong
Trainee

Chae-seul
Trainee

Go Eun-seon
Chaperone Teacher

Kang Seo-hoo
Child Going to School

Kwon Hae-rin
Child Going to School

Bae Seo-eun
Child Going to School

Seo Hyo-won
Child Going to School

Seo Jae-hee
Child Going to School

Lee Eun-gyoo
Child Going to School

Kim Ki-hyun
Dong-ho's Factory Colleague

Kim Jae-beom
Dong-ho's Factory Colleague

Kim Jong-hak
Dong-ho's Factory Colleague

Nam Yoon-gi
Dong-ho's Factory Colleague

Seo Sang-woo
Dong-ho's Factory Colleague

Heo Geon-haeng
Dong-ho's Factory Colleague

Gal Jae-yoon
Funeral Director

Kim Jin-yeong
Technical Team Staff / Customer Cho Sang-wook (voice) / Customer Jeong Doo-wan (voice)

Na Ye-eun
Jun-hee's Fan

Kim Ye-na
Police Station Staff

Chu Eun-kyeong
Police Station Staff

Kim Han-saem
Detective Bae's Stand-In

Moon Seong-ryeol
Customer Seo Jang-woo (voice)