The true story of Mamie Till Mobley’s relentless pursuit of justice for her 14 year old son, Emmett Till, who, in 1955, was lynched while visiting his cousins in Mississippi.
As sad as you'd expect it to be, given the subject matter. Just like when watching To Kill a Mockingbird, you feel like this time the outcome has to be different and there's no way things will turn out so poorly, but history disappoints.