A young man travels to Mars in a rocket ship, where he leads a popular uprising against the ruling group with the support of Queen Aelita, who has fallen in love with him after watching him through a telescope.
In San Francisco, well-known sportsman Kay Hoog announces to a club that he has found a message in a bottle with a map drawn by a Harvard professor who has gone missing. The map tells of a lost Incan civilization that possesses an immense treasure. Hoog immediately plans an expedition to find it. But Lio Sha, the head of a criminal organization known as the Spiders, is determined to get the treasure for herself and plans a rival expedition.
Two neighboring kings addicted to gambling, Ranjit and his cousin Sohat, vie for the same beautiful young woman, Sunita, daughter of the hermit Kanwa.
