DuccioTessari'srareGiallostarringHelmutBerger,GiancarloSbragia,EvelynStewart,SilvanoTranquilli&CaroleAndre.Ayoungstudentismurderedinaparkbyanunseenassailantduringaheavythunderstorm.Themurderermakeshisescape,butisidentifiedbyanumberofpeopleattheparkexit.AsportspresenterfromalocalTVchannel,AlessandroMarchi,isquicklyarrested,anddespiteprotestationsofinnocence,ischargedwiththemurderbbb　　Marchicallshislawyer,whopromisestohavehimreleasedverysoon,butwhenitcomestothetrialthelawyerscaseisaweakone,fullofholes,andMarchiisdulyfoundguilty.　　AllisnotwhatitseemsanditsoonbecomesapparentthatthelawyerishavinganaffairwithMarchi'swifeandobviouslydoesnothaveMarchi'sbestinterestsatheart…