在一次期末结课作业中，唐城（唐成饰）等一群人打算纪录片的形式与青台山废弃医院拍摄，但在采点过程中，他们发现了一个奇怪的符号，并似乎解开了某种封印，最后发生了一系列超自然事件。
遇播放卡顿或无法播放时，可切换线路播放
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