p In San Francisco, the sportsman Kay Hoog tells to the members of a club that he has found a message in a bottle with a map from a Harvard 三九 s missing professor telling about a treasure of an Inca lost civilization still alive He decides to go to Peru to seek the gold However, members of the secret criminal organization quot The Spiders quot leaded by Lio Sha break in Kay 三九 s mansion during the night and steal the map Kay Hoog travels to Peru, where he retrieves his map and a document about the Diamond Ship from The Spiders Later he saves the Priestess of the Sun Naela and brings her to San Francisco However, The Spiders kill Naela and Kay Hoog promises revenge for the death of his love p