

A classroom fire, two students, one dead—suicide or murder? The detective sees something worse.
Season 1 • Episode 2
LatestA fire starts in a classroom and two students are trapped in that burning classroom. One of the students died and one was taken to the hospital unconscious. People suggest it was suicide and some say it was murder. Detective Kim Eun Sup is staking out while the student is dying before he gets called in on the site. He then witnesses the most terrible thing there.
Acting
Jung Woong-in's haunted detective barely holding it together.
Direction
Kim Young-jo squeezes claustrophobic dread from ordinary school halls.
Writing
Tight two-episode structure with no filler, just escalating unease.
Trivia, insights & behind the scenes
This two-episode KBS Drama Special format was designed as a proving ground for experimental storytelling, letting directors take risks feature films wouldn't touch.
Released during heightened national discourse on school violence and teen suicide in South Korea, the drama's institutional critique landed with uncomfortable timeliness.