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.
Song Ha-young
Yoon Tae-goo
Kook Young-soo
Jung Woo-joo
Baek Jun-shik
Nam Il-young
Heo Gil-pyo
Oh In-tak
Lee Jin-chul
Im Moo-sik
Park Young-shin
Kim Bong-shik
Choi Yoon-ji
