
S01E01 New Breed of Killer
Violent killings target wealthy victims around the city. Matching footprints found at each scene suggest a serial murderer on the loose.
A report about missing sex workers leads to Yoo Young-chul's arrest. Under interrogation, he confesses, but detectives aren't sure what to believe.
In the early 2000s, Yoo Young-chul hammered his victims to death and cast fear across Seoul. This docuseries recounts the hunt for a prolific killer.