A team of tenacious detectives study the minds of murderers at a time when Korea's first serial murders terrorized the nation. Based on true events.
Kim Nam-gil
Song Ha-young
Kim So-jin
Yoon Tae-goo
Jin Sun-kyu
Kook Young-soo
Ryeoun
Jung Woo-joo
Lee Dae-yeon
Baek Jun-shik
Jung Soon-won
Nam Il-young
Kim Won-hae
Heo Gil-pyo
Hong Woo-jin
Oh In-tak
