Tempers rise as a jury of middle-aged men find themselves unable to sway a single member of their group to the majority opinion. Confronted with a seemingly clear-cut case, bolstered by opinions and assumptions, but with no verdict in sight the group threatens to become deadlocked. Will the 12th juror, stubbornly convinced of a young defendent's innocence, be able to sway the entire group to his viewpoint, or will the group ultimately force the holdout...