 Drake and Walsh's investigation concerns the search for Walter Castell, an escaped convict who stole 5 million dollars in diamonds at the close of World War II.Several other people, including Walsh's sister, all want to go to the island.Drake and his friends encounter multiple dangers when they are attacked by a gang also looking for the stolen diamonds led by the mysterious 'Admiral'...


"Pirates of the High Seas" qualifies as both a sea and a jungle story, due to action taking place on uncharted islands.