Lee J. Cobb

Alan is a swinging single who uses his New York apartment as a harem of sorts for his legion of lady friends. Buddy, his kid brother, wants to break free of his overprotective parents and moves in with Alan, hoping to emulate him in the sex department. Alan teaches Buddy his tricks of the trade and it isn't long before Buddy is stealing women away from Alan.

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...