1913. Ex-soldier turned professional big-game hunter, Leon Courtney, is in British East Africa guiding rich and powerful men from America and Europe on safaris in the Masai tribe territories. One of his clients, German industrialist Count Otto von Meerbach, owns a company which builds aircraft and vehicles for the Kaiser's burgeoning army.
Leon is recruited by his uncle, Penrod Ballantyne, commander of the British forces in East Africa, to gather information from von Meerbach. But he had not bargained on falling passionately in love with Eva, the count's beautiful and enigmatic mistress.
Then Leon stumbles on a plot by von Meerbach to raise a rebellion against the British amongst the disenchanted survivors of the Boer War, and he alone is able find out who and what is really behind the conspiracy...