The plot is set in the fictional Indiana Jones universe and revolves around the eponymous protagonist's global search for the legendary sunken city of Atlantis. Sophia Hapgood, an old co-worker of Indiana Jones who gave up her archaeological career to become a psychic, supports him along the journey. The two partners are pursued by the Nazis who seek to use the power of Atlantis for warfare, and serve as the adventure's antagonists.

The plot is set in the fictional Indiana Jones universe and revolves around the eponymous protagonist's global search for the legendary sunken city of Atlantis. Sophia Hapgood, an old co-worker of Indiana Jones who gave up her archaeological career to become a psychic, supports him along the journey. The two partners are pursued by the Nazis who seek to use the power of Atlantis for warfare, and serve as the adventure's antagonists.