Directed by Ahn Byeong-ki | Starring: Kang Seong-jin, Jang Hee-jin, Ko So-young, Park Ha-sun

Se-jin, a lonely department store employee, moves into a high-rise apartment building. One day she notices that the lights in the windows of the building opposite all start to mysteriously flicker at exactly 9:56pm. She begins to suspect that these occurrences are somehow linked to a series of suspicious deaths in the neighbourhood.