When Fred Pearson was in the army during the Vietnam War his life was made a misery by hectoring Sergeant Guedo who repeatedly gave him 'dirty detail' punishments. As a result he has no self-confidence and has been unable to hold down a job since his discharge. One day he goes into his local bar to drown his sorrows and sees Guedo, boasting about his war exploits, as brash and unpleasant as ever. Now is the time for Fred to get his revenge.. .