A fiercely competitive police officer and an idealistic prosecutor, former high school classmates, reunite while investigating a nationwide serial murder case, pulling them into both a dangerous pursuit and an unresolved personal past.
Kang Tae-ju
Cha Si-young
Seo Ji-won
Kang Soon-young
Lee Ki-bum / Cha Young-beom
Lee Ki-hwan
Kim Man-chun
Cha Mu-jin
Woon-hee
Min-ji
Police Officer Jeong
Cha Yeon-ho
Reporter
Choi Jung-mo
Detective
Police Ceremony MC
Prosecutor
Lee Seong-jin [Suspect]
Choi In-sook
Hee-Jin's classmate
Lee Joo-Hee's mom
Lee Joo-Hee's neighbour
Doctor
Station Chief
Choi Min-ja