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.

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.

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.