Frank McAllister has long since dropped Retief as his middle name, but the legacy of his family's history proves harder to shake. His ancestor Piet Retief, leader of the South African Great Trek, was killed by Zulu king Dingane in the 1838 massacre, along with a hundred men, women, and children. Afrikaner legend paints Retief as a homegrown Moses, bringing his people to the Promised Land. But Frank believes something rotten lies at the core of...