"We opened the doors of Death." Jung Chung Ae never believed in the supernatural. She only believed the things she saw with her own two eyes. After the tragic pass of her mother, and her Dad no longer pays attention to her, Chung Ae moved from Seoul to Busan and lives with her Aunt who is a teacher. She is enrolled in the top and most secretive class, Class '88. From the very first day she sets foot in there, a mysterious and unwelcoming air surrounds the class. Even though the classmates make it bearable, there is just something about them that makes her worry, and maybe believing in the supernatural. Could a sudden tragic death, trigger everything else? Could this be "it"?