Alex,asoundengineer,accidentallyrecordsmysteriousvoices:disturbingmessagesfromtheafterlifewhowarnhimagainstanimminentandterrifyingdanger.Amanda,withwhomhesharesaterriblesecret,re-emergesfromhispast.Theappearanceoftheyoungwomantriggerschillingparanormalphenomenathatleavebehindatrailofcorpses.Isshethedangerthevoicesofthedeadspeakabout?