Voice - Seasons

Season 1

OCN , 2017

Two detectives teamed up to catch a serial killer who murdered their family. Moo Jin Hyuk's life spiraled out of control after his wife was murdered. He starts to put himself together after he meets Kang Kwon Joo, US-graduated voice-profiler, who los…

Season 2

OCN , 2018

Kang Kwon Joo, now a National Director of 112 Call Center Division, brings her main team from HQ to Poongsan city to investigate the death of their Dispatch team's leader there. She meets and then appointed Do Kang Woo, a lone and hot-headed detectiv…

Season 3 City of Accomplices

OCN , 2019

It's following the lives of 112 emergency call center and dispatch team as they fight against an international evil cartel involved in the internet's dark web.

Season 4 Judgment Hour

OCN , 2021

A serial killer with an enhanced hearing ability appears. The serial killer murders people using his enhanced ability. Because of this, Kang Kwon Joo, who also has an enhanced hearing ability, is driven into a corner. Kang Kwon Joo cooperates with De…