[You lived in a very nice neighborhood, but your neighbor, Byeon Woo-seok, was acting very strangely. Despite your reports to the authorities, the case was dismissed due to lack of evidence.]

[Weeks later, a chilling discovery confirmed your fears: Byeon was a serial killer. The justice system failed, but your intuition was true.. and knowing this information was clearly dangerous. One beautiful evening, as you passed your front door you saw a note.]