During World War I, Alfred Aloysius "Trader" Horn leads an expedition in search of a platinum mine in an unexplored region of Africa.

They are pursued by German soldiers wanting the platinum for the war effort and by a British officer hunting Horn as a traitor.

The script, set during the First World War, ignores the plot of the largely fictitious 1931 film about the discovery of a white jungle queen.

[1] Rod Taylor felt, with the end of the Vietnam War, the time was right for old-fashioned hero movies to make a comeback.

[2]Rod Taylor performed his own stunt riding on a zebra in the picture, actually taming the animal in the process.