Season 1

01 Crack Episode 120th August 2020 With the top-ranking student gone, Park Seo-hui should be a shoo-in for the top spot. But competition never dies, and neither does guilt. 02 Destination Episode 220th August 2020 In the middle of the night, a taxi driver picks up a woman on an empty street. By the time he arrives at her destination, she's nowhere to be seen. 03 Special Guest Episode 320th August 2020 Sae-rom livestreams a virtual housewarming party with a spooky surprise for her viewers. But when the camera turns off, the real host takes over. 04 Curiosity Episode 420th August 2020 No matter how much she tries, she can't outrun a creature on the prowl. No matter how long she runs, she can't escape the dark walls of the school. 05 Red Shoes Episode 520th August 2020 A classmate’s death spurs rumors for some and guilt for one. When an overwhelmed pupil asks to meet, teacher and student come together half-way. 06 Dimension Episode 620th August 2020 Dying to get to the bottom of an inexplicable case, a detective follows instructions written by a missing boy and experiences a new dimension. 07 Threshold Episode 720th August 2020 Hak-su's wife reminds him to leave the talisman hanging above their bedroom door. But one lone night, he decides to test his luck and its powers. 08 Birth Episode 820th August 2020 After a shaman practices forbidden black magic, the spirits punish her by haunting her soul, overtaking her body and delivering a little terror.