On a hot summer day after a long trial, a jury must decide whether a 19 year old man is guilty of murdering his father. The jury votes 11-1 that the man is guilty of the crime, but laws in the United States require a unanimous vote by all 12 jurors in order to pass judgement. Tempers flare as the eleven jurors try their best to convince the 1 dissenter to come around to their side. As the evidence is re-examin...