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.

酷客影院提供了暗无天日在线观看，并且还可以支持手机免费看暗无天日，不需要下载播放器，方便广大影迷。