Inasmalltown,apolygraphexaminerlearnsthatadoctorshe'sjustmetistheprimesuspectinasexmurder.Sheadministersapolygraphtestwhichclearshim,andtheyproceedtohaveanaffair.Butthenawitnessplaceshimatthemurderscene,andhe'sfoundtohaveconcealedbeingasuspectinapreviousmurderelsewhere.Theevidencemounts,thedoctorisarrested,andthewomantriestokeepbelievinginhimandfindtheevidencethatwillclearhim.