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Inamonasterycultofffromtheworld,themonksrunaclinicforthepossessed.Oneday,ayoungpolicemanMarekcomestotheconvent.Posingasaclergyman,hepenetratesmonasticlifeandtriestoexplaintherecent,mysteriousdisappearanceofseveraltormentedinmates.Itturnsout,however,thatthereisnowayoutofthemonastery.