In South America, a bitter battle is raging over diamonds.

The Foster gang was a group of criminals who operated in South Africa, around Johannesburg and the Rand, between the months of July and September 1914, committing various acts of robbery and murder.

In February of 1941, South African troops are in action against the Italian forces on the northern frontier of Kenya. An Italian invasion, aimed at pushing the Allied Forces out of Central and East Africa, is imminent. The South African Command realizes it has no forces at its disposal capable of stopping the Italian objective, so they resort to a grand bluff...