One night, the lights switch off simultaneously at 9:56 PM in Fortune Apartments. When a brutallymurdered corpse is found the next day, Se-jin, who lives in the opposite side apartment, is theonly witness to the heinous crime. But there is more death to come, and a terrible symmetry willemerge. One of the tenants who turn off the lights is found dead the following day.Se-jin watches these mysterious events take place and soon gets involved in the case to stop moredeaths from ...more

One night, the lights switch off simultaneously at 9:56 PM in Fortune Apartments. When a brutallymurdered corpse is found the next day, Se-jin, who lives in the opposite side apartment, is theonly witness to the heinous crime. But there is more death to come, and a terrible symmetry willemerge. One of the tenants who turn off the lights is found dead the following day.Se-jin watches these mysterious events take place and soon gets involved in the case to stop moredeaths from occurring. The same apartment key is found on each of the victims but the mysteriouskey doesn’t turn any lock except for one apartment. Once Se-jin opens this door, she unleashes aterrifying secret.less