The defense and the prosecution have rested and the jury is filing into the jury room to decide if a young Spanish-American is guilty or innocent of murdering his father. What begins as an open and shut case soon becomes a mini-drama of each of the jurors' prejudices and preconceptions about the trial, the accused, and each other.

Based on the true story of would-be Brooklyn bank robbers John Wojtowicz and Salvatore Naturile. Sonny and Sal attempt a bank heist which quickly turns sour and escalates into a hostage situation and stand-off with the police. As Sonny's motives for the robbery are slowly revealed and things become more complicated, the heist turns into a media circus.