JenniferisanAustraliangirlontherunfromherpastwhowashesupinAmsterdam.Inadesperateattempttostayonestepaheadoftheauthorities,shejoinsacoach-loadoftouristsembarkingonatourofHolland'sworldfamouswindmills.Whenthebusbreaksdowninthemiddleofnowhere,sheandtheothertouristsareforcedtoseekshelterinadisusedshedbesideasinisterwindmillwhere,legendhasit,aDevil-worshipingmilleroncegroundthebonesoflocalsinsteadofgrain.Asmembersofthegroupstarttodisappear,Jenniferlearnsthattheyallhavesomethingincommon-asharedsecretthatseemstomarkthemallfordoom.