Riverboat, Assassination

They built their lives on the mighty Mississippi - and steered the course of history. The river offered landowner Clifton Stewart a chance for a new life - and many chances for death. Genevieve St. James was a delicate, charming beauty. But underneath was a killer as ruthless as any man. Senator Stephen Douglas was running for President, and he was the nation's only hope for peace. And Zachary was free in name only - but the former slave would bow to no man.