DuccioTessari'srareGiallostarringHelmutBerger,GiancarloSbragia,EvelynStewart,SilvanoTranquilliCaroleAndre.Ayoungstudentismurderedinaparkbyanunseenassailantduringaheavythunderstorm.Themurderermakeshisescape,butisidentifiedbyanumberofpeopleattheparkexit.AsportspresenterfromalocalTVchannel,AlessandroMarchi,isquicklyarrested,anddespiteprotestationsofinnocence,ischargedwiththemurder.　　Marchicallshislawyer,whopromisestohavehimreleasedverysoon,butwhenitcomestothetrialthelawyerscaseisaweakone,fullofholes,andMarchiisdulyfoundguilty.　　AllisnotwhatitseemsanditsoonbecomesapparentthatthelawyerishavinganaffairwithMarchi'swifeandobviouslydoesnothaveMarchi'sbestinterestsatheart…