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