bbbAyoungmanIvantravelsinacarriage,andstopstorestinaremotecastlesomewhereinthelowlands.Thecastleisconsideredbylocalstobehaunted.Thecoachmandoesn'twanttocarryon,soIvancontinueshisjourneybyfoot.AyoungkidwhopassesbytellsIvanaboutthecastle,butthenextminutethecarriagekillshim.Sibylle,abeautifulbutstrangewomancomesoutofthecarriageandhelpsIvantocarrythedeadkidintothecastle,whichturnsouttobeherhome.Afterherhusband'sdeath,SybillelivesthereonlywithhercoachmanBartholomew.Uponhisarrival,Ivanstartstohearstrangemusiccomingfromunknownplace.IvanandSibyllefallinlovewitheachother,butthemysteryofmusicisyettobefindout.