A female detective investigates the cause of a high school girl’s death and uncovers a disturbing truth.
Yu-jin
So-hee
Jun-hee
Tae-joon
Dong-ho
So-hee's Mother
So-hee's Father
Former Team Manager
Newcomer Team Manager
Head Manager
School Vice-Commissioner
Vice Principal
Homeroom Teacher
Detective Bae
Director
Chief of Criminal Division
Former Team Manager's Wife
Action Officer
Yu-jin
So-hee
Jun-hee
Tae-joon
Dong-ho
So-hee's Mother
So-hee's Father
Former Team Manager
Newcomer Team Manager
Head Manager
School Vice-Commissioner
Vice Principal
Homeroom Teacher
Detective Bae
Director
Chief of Criminal Division
Former Team Manager's Wife
Action Officer
