In the Fabulous Thirties, Doc Savage and his five Amazing Adventurers are sucked into the mystery of Doc's father disappearing in the wilds of South America. The maniacal Captain Seas tries to thwart them at every turn as they travel to the country of Hidalgo to investigate Doc's father's death and uncover a vast horde of Incan gold.
Doc Savage's adventure in the war-torn Zone races toward its unbelievable finish, as the secrets of the Two Who Are One - and Ronan McKenna's disappearance five years ago - are revealed! But Doc's discoveries may have set in motion a terrible fate for the Zone's innocent inhabitants! --