【观看小贴士】： [DVD：普通清晰版] [BD：蓝光高清版] [HD：高清版][TS/TC：抢先非清晰版] - 其中，BD/HD版本不太适合网速过慢的用户观看
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剧情介绍
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.
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