After murdering his family, he’s back at the office again...
Another colleague has disappeared! An exemplary officer worker KIM Byung-Guk murdered his entire family
without any provocation and disappeared into thin air. Homicide detective CHOI immediately begins his
investigation at KIM’s office but all of his colleagues seem to be hiding something. He realizes that KIM and
an intern named Mirae were close and attempts to dive into the mind of the killer. During his investigation,
CHOI obtains a CCTV footage of KIM entering the office parking lot immediately following the murder of
his family but he was never seen exiting the building. Meanwhile, KIM’s colleagues are all on the edge, fearing
that KIM may be coming after them for various reasons...