In search of the Black Elephant, the outlaw who has been terrorising Africa, Ginge and Bertie land the Mosquito near Lake Tanganyika. While Mischu, their native guide, moves into the forest to find some of his tribesmen and question them about the movements of the Black Elephant, Ginge and Bertie prepare to spend the night in a tent on the edge of the open country, but Ginge finds he cannot settle...