Season
Season 1 Episode
- Season 1 The Devil Himself Can't Open the Door
- Season 1 Penance, Even Though We're Already Too Late
- Season 1 What Does a Young Boy Meet as He Strays from the Clear Road?
- Season 1 Two Facing Mirrors
- Season 1 Lion Waiting at the River Bed
- Season 1 Fate Does Not Distinguish Between Good or Bad
- Season 1 On the Edge
- Season 1 Are Monsters Born, or Created?
White Christmas
7.40 69 minutes Kim Yo Han is a psychiatrist who gets involved in a serial murder when his car broke down on Christmas Eve during a sudden storm and he is forced to take shelter at a private high school. Seven students and a teacher are also there over the winter break, but they are gradually murdered one by one as they receive letters from a killer who wants revenge for the death of his mother and sister.
