12 Angry Men is a 1957 American courtroom drama film directed by Sidney Lumet, adapted from a teleplay of the same name by Reginald Rose. This courtroom drama tells the story of a jury of 12 men as they deliberate the conviction or acquittal of an 18-year-old defendant on the basis of reasonable doubt, forcing the jurors to question their morals and values. (Wikipedia)
http://cinematicdiversions.com/12-angry-men-1957-review/