Documentary series looking at how racism has impacted on people's lives. The 19th century began with the abolitionist's credo 'Am I a not a man and a brother', but ended with racial genocide in Africa. The scientific racism that was born in the middle years of the century justified the violence of colonialism and, when fused with Darwinism, even excused genocide. These same racial theories lived on into the 20th century to become part of the ideology that underpinned the Third Reich.