National Office of Investigation

Follow the investigation to find the culprit of the murder of a mother and a daughter in Yangjeong-dong.

The second episode follows the investigation of the murder in Yangjeong-dong, so find out how it ends.

The episode begins with a robbery case in Pyeongtaek, leading all the way to a drug-dealing gang.

The Gwangju Metropolitan Police Agency investigates the distributors of horse racing websites.

The detectives of the Gyeonggi Nambu Provincial Police Station are after a blackmailer. Check out the case.

The drug squad of Busan Jin Police Station walks us through how the squad arrests drug users.

The camera crew follows the hardcore detectives of Gangneung Police Station arresting criminals.

The detectives of Gyeonggi Nambu Provincial Police Station pursue the distribution of methamphetamine.

The crew follows the detectives of Gyeongju Police Station and looks into their days and nights.

Watch the violent crime detectives chase two criminals who robbed several stores and houses.

The detectives of Seoul Gangbuk Police Station chase people who collect money for voice phishing scammers.

The hard-working detectives of Wonju Police Station chase two criminals who robbed an arcade.

The detectives of Busan Jin Police Station go through all the markets in Busan to catch a pickpocket.