剧情：
aaaAgroupofdocumentaryfilmmakersarefilmingaTVspecialabouttheeventswhichoccurredatthefamousandmysteriousabandonedCainHillasylummanyyearsearlier,andtheunexplainedabductionsandmurdersthathaveoccurredatthesitesincethen.ThegroupsoonlearnthatoneoftheinmatesneverleftCainHillatall.
