恐怖电影《暗无天日》内容简介：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. /有关《暗无天日》详尽内容参考《暗无天日》豆瓣讨论区