一名士兵面临可能的叛国罪指控却生硬拒绝为自己辩护,负责调查的军官认为此案有疑,执意探明真相。Military investigator Colonel Edwards is assigned a case involving Major Cargill, a Korean War POW who is accused of treason. Although Cargill admits his guilt and Edwards' superiors are impatiently pushing Edwards to move this case to court martial, Edwards becomes convinced of Cargill's innocence.