4名大学生到深山里露营，只是一个神秘的实体与他们一起回来

A group of students decide to study 'reaction videos' and are led toward an old film, hidden in the archive room of a cemetery. It appears that everybody who has witnessed the film has met an untimely demise under suspicious circumstances. When the students view the footage, they discover first hand, what the demonic spirit is capable of. Fulfilling the ancient curse of a woman cruelly killed during the Spanish Inquisition.

A mystery series revolving around a plot to get inside a mysterious alternate dimension known as The Backrooms.

一部神秘系列作品围绕着一个进入名为“后室”的神秘异次元的阴谋展开。

该片根据其在油管上发布的恐怖短片系列改编

An old box with an unusual View Master toy mysteriously appears on the doorstep of a young mother.

Upon being escorted to a mysteriously irradiated site, and after experiencing strange visions, Evgeniy finds himself questioning the very reason he was sent to investigate the site in the first place.

Upon being escorted to a mysteriously irradiated site, and after experiencing strange visions, Evgeniy finds himself questioning the very reason he was sent to investigate the site in the first place.

深夜，404 婴儿哭声扰民，业主发 “马上掐死” 后哭声骤停。504 质疑异常，众人热议 404 男主人孤僻有暴力倾向、女主人未现身的疑点。 402 上门查看称 “没事”，但 “我” 未闻其关门声。警察调查时，“我” 透过猫眼见警察似看不见 404 男主人，将所见发群引发震动，601 怀疑敲门者是 302。 窗外突现假警察欲破窗，幸有真警察敲门使其遁走。601 报警无记录，“我” 推测 504 遇害。次日警局揭晓真相：两名笨贼踩点失误，行窃变杀人，402、504 遇害，“我” 所见实为幻觉。

深夜，404 婴儿哭声扰民，业主发 “马上掐死” 后哭声骤停。504 质疑异常，众人热议 404 男主人孤僻有暴力倾向、女主人未现身的疑点。 402 上门查看称 “没事”，但 “我” 未闻其关门声。警察调查时，“我” 透过猫眼见警察似看不见 404 男主人，将所见发群引发震动，601 怀疑敲门者是 302。 窗外突现假警察欲破窗，幸有真警察敲门使其遁走。601 报警无记录，“我” 推测 504 遇害。次日警局揭晓真相：两名笨贼踩点失误，行窃变杀人，402、504 遇害，“我” 所见实为幻觉。