<Korean TV Series NOW> ”Mantis: The Killer's Outing” Episode 1, Ko Hyun Jung, the serial killer's provocation = Viewership rating 7.1%, Synopsis/Spoiler

*This article contains spoilers and synopsis. Serial killer Ko Hyun Jung has begun his provocation. SBS's new Fri-Sat TV series "Mantis: The Killer's Outing" (viewership rating 7.1%)