Apolicesergeantkillsamanwhopullsagunonhimduringastakeout.Butthedeadsuspectisarespecteddoctorwithnocriminalrecordandtheman'sguncannotbefound,andthesergeantischargedwithmanslaughter.Thesergeantworkstoclearhisnameanddeterminewherethegunwentandwhythedoctorwasthereatallddd