The film revolves around the life Robey Leibbrandt, a South African boxer who participated in the 1936 Olympic Games in Berlin. While at the Games he was courted by the Nazis in an attempt to recruit him as an agent in South Africa. Leibbrandt embraced Nazi ideology, which culminated in his becoming an Abwehr agent for the Third Reich. As an Abwehr agent, in 1939 Leibbrandt led an operation to overthrow the South African pro-Allied government, and to assassinate General Jan Smuts, at the time Prime Minister of the Union of South Africa.

The Fourth Reich was the most expensive film production in South Africa cinema history. (fonte: rarewarfilms)