England 1913. Bent on finding the fabled lost city of Opar, a sacred Atlantean colony located deep in the wild jungles of Africa, the unscrupulous opportunist, Nigel Ravens, burns and kills his way to the city of gold. Plagued by disturbing visions of destruction, John Clayton II, Viscount Greystoke, decides to return to his roots in the heart of mother Africa, determined to get to the bottom of his vivid nightmares. Once more, John becomes mighty Tarzan, and along with Mugabe, the shaman, they embark on a peril-laden mission to prevent the invaders from robbing the secret realm of its riches. Can Tarzan, the magnificent lord of the jungle, save the lost city?