【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
It tells the story of a therapy group that is forced to confront the monsters of their past when an isolated weekend retreat tests their emotional resilience and ability to survive.
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