Film portrays the expedition of the British explorer David Livingstone to Africa to discover the source of the Nile, his disappearance, and the expedition to find him led by Stanley.
Chet Kasedon is after the Indians hidden gold mine but Chief Moya will not reveal it's location. He has also hired mining engineers Gale and Mortimer to locate the mine.
Carrie Snyder is a prostitute, who is forced out of the fictional southern town of Crebillon, after forming a friendship with a young boy named Paul, whose dying mother is unable to protest against her son visiting such a woman.
In 1921, British Lord Athleigh arrives in Dublin with his daughter, Helen, to engage in peace talks. As wanted Irish rebel leader Dennis Riordan is not recognized in public, he is able to move about freely and saves the Athleighs from an assassination attempt by a radical faction.