A groundbreaking travelogue, Simba follows the intrepid American filmmaking couple Osa and Martin Johnson on their four year expedition over the African subcontinent.A groundbreaking travelogue, Simba follows the intrepid American filmmaking couple Osa and Martin Johnson on their four year expedition over the African subcontinent.A groundbreaking travelogue, Simba follows the intrepid American filmmaking couple Osa and Martin Johnson on their four year expedition over the African subcontinent.