Afterservingsevenyearsforamurderhedidnotcommit,TonyPelassier,isdeterminedtoclearhisname,buthefindsthatgoingbacksevenyearsinanattempttopiecetogetherthreadsofinformationisnotaneasytask.AScotlandYarddetectivetriestopersuadehimtoforgetthepastbutTonyandhisfiancée,Marie,goaheadwiththeinvestigation.Tonyhadbeenconvictedofthemurderofagirlwhowasthecashierinthegaragewhereheworked,andevidenceatthetrialshowedhertobeanaccomplishedblackmailer.Tonybecameinvolvedbyrepairingabraceletforherandtakingittoherhomewherehewasapparentlythelasttoseeheralive.TonyandMariesucceedintrackingdownCaroleCarlton,amodelwhohadbeenaclosefriendofthemurderedgirl.