暗无天日是一部高质量的恐怖恐怖片 的影视作品,影片的关键词是暗无天日群人上醒空城暗无天日幸存者小群 ,Four friends come to an old, abandoned factory in Lower Silesia, where their friend went missing a year ago. While trying to unravel the mystery of his disappearance, they discover the terrifying experiments conducted in the factory.