Stanley and Livingstone Colonel Grimes tells two peace commissioners sent from Washington DC that he cannot permit them to try to contact the Indians of the Wyoming Territory of 1870, as it would be suicidal, only to have Stanley emerge from the wilderness, escorted by a band of the natives and his guide, Jeff Slocum (Walter Brennan). When Stanley returns to New York City, his employer, "New York Herald" publisher James Gordon Bennett, Jr., gives him another near-impossible assignment. The "London Globe" has announced that an expedition headed by Gareth Tyce (Richard Greene), the son of the "Globe"s publisher, Lord Tyce (Charles Coburn),
Stanley and Livingstone getting him to persuade his father to use his influence to have her father reassigned to a more healthy posting back in England. Eve warns Stanley about the dangers of Africa, but he is undeterred. He, Slocum and a band of native bearers set out into uncharted territory. Months pass with no sign of hope, and Stanley's resolve begins to waver. He also realizes he is in love with Eve. Finally, however, two hunters tell him of a white man they call "doctor" in a village beside Lake Tanganyika. Though feverish, Stanley gets them to guide him there. He sees