InthetimeofCounter-Reformation,amillerandhissoncomeunderinvestigationbyapriestoftheInquisition,whenrumorsspreadthattheirprosperitycomesfromworkingwiththeDevil.
　　TheDevil'sTrapisafilmdirectedbyFrantišekVlá?il,basedonanovelbyAlfrédTechnik,adaptedbyFrantišekA.DvorákandMilošKratochvíl.ItwasthefirstofthreehistoricaldramasthatVlá?ilmadeduringtheCzechNewWave(technicallyheisn'treallyapartoftheNewWave,howeverthesefilmsweremadeduringthesameeraofartisticfreedom),precedinghismorewellknownMarketaLazarová(1967)andValleyoftheBees(1968).
　　Setinthelate16thCenturyduringtheCatholicReformation,intheMoravianKarst,situatedinwhatisnowtheEasternCzechRepublic,ittellsthetaleofamiller(VítezslavVejrazka),andhissonJan(VítOlmer),whocomeundersuspicionandareinvestigatedbyaJesuitpriestoftheInquisition(MiroslavMacháchek),whenrumorsofwitchcraftarespreadbythelocalregent(CestmírRanda),whoisjealousofthemiller'sprosperityanddegreeofrespectamongthelocalpopulace.
　　AsexpectedfromVlá?il,thisfilmisastunningexperienceallthewaythrough.Fromtheopeningshot,anominousmanipulationofperspectivewithacloseupofamangledfigureofChristdominatingtheforegroundagainstatinyfigureinblackwalkingalongthehorizon,tothebreathtakingconfrontationalfinaleinsidethevaststalactitefilledKarstcaverns,itisawonderfuldisplayofvisualmastery.
　　MaybenotquiteasimpressiveasMarketaLazarová,butstillfullofastonishingimagery.Asseenfromuniqueanglesanddistinctpointsofviewwhichhighlightthedirector'sremarkablesenseofawarenessofframing,motion,andpositioningontheemotionalanddramatictoneofthescene.Themostmemorablebeingarepeatedshotwherethecameraissuspendedandlaunchedwithspeedthroughtheairtowardsthemiller'sdoor.
　　ThestoryhereisasimpleoneandIwouldsaymoreaccessiblethanhislaterworks.Withaconventionalstructureemphasizedasmuchbyitsplotandcharacters,thanbyitsexpressionisticcinematographyorauthentichistoricaldetail.Theeventsplayoutwithoutmuchsurprise,andthereisastrongunderlying,almostsupernatural,mysteriousaspectthatisleftunresolved,infactbarelyexplored,whichisslightlydisappointing,butonlybecauseit'ssofascinatingthatIwishtherewasmore.
　　Actingisgreatallaround.Particularlythevillains:MiroslavMacháchekasthepriest,castingasinisterandimposingshadowwhereverhegoes,andCestmírRandaastheweasellikeregentbehindallthepersecution.WhileVítOlmerbringsacharismaticleadingmanpresenceinhisroleasthemiller'ssonJan,inlovewiththelovelyorphangirlMartina(KarlaChadimová),whobecomesadangerousobjectofrivalrybetweenJanandotheryoungmenofthevillage.
　　ThefilmalsofeaturestheevocativemusicofZden?kLiška(perhapsthemostprolificcomposeroftheCzechNewWave).InthishissecondofelevencollaborationswithVlá?il,hiscompositionsareusedsparingly,buttogreateffect,complimentingbutneveroverpoweringascene.Thebestexampleofwhichcanbeheardinanamazinglyshotcelebrationanddancesequenceattheendofthesecondact.
　　TheDevil'sTrapmightnotbeamasterpiece,butitisstillastrongeffort,withafascinatingstraightforwardstoryandaglorioushistoricalsettingcapturedbeautifullybyVlá?il'sunmistakablevisualprowess.AfineworkthatwouldalsobetheperfectstarterplatetoprepareyourselfforthechallengingfeastofMarketaLazarováorTheValleyoftheBees.Itevenhasaneasytodigestrunningtime.It'sthereforepuzzlingwhythisgemremainslargelyoverlookedandignored.