The Civil War is raging and in a desperate effort to find more recruits, the Union begins a draft - a draft with a difference. The wealthy can pay $300 to be released from their obligation, but the poor must go and fight and die. In New York City, the recently arrived Irish are the hardest hit by the draft and during the long hot days of July the city explodes in a rash of arson, marches, attacks, and lynchings, with the immigrant Irish taking out their anger on the black inhabitants of the city.