When filmmaker D.W. Griffith released Birth of a Nation in 1915, the revolutionary film changed the way America thought about the movies and in many respects launched the modern film industry. But lesser known is the role Birth of a Nation had in the rebirth of the Ku Klux Klan.

People from all walks of life conspire to vengeance after a 1917 murder. Law enforcement is all but suspended as an organized committee forms to abduct a suspect from police custody and stage a horrific public spectacle.   

In this episode, we join a busload of determined Civil Rights marchers as they venture into a Georgia County equally determined to preserve a 75-year history of racial purity. It's another dark-but-important story from Southern history.