Character(s):
Batman [Bruce Wayne]; Robin [Dick Grayson]; Thorpe (cartographer); Herbert Merton (Hawtree's friend); Guy Hawtree (archaeologist); Rand Blanning (villain, Hawtree's friend)
Synopsis:
An explorer from the famed "Explorer's Club" sets out to find an ancient lost city of the Incas, but refuses to share his secret with other members and eventually disappears. Batman is called in by the other Club members to track down their fellow member and find this lost city, not realizing one of the member wishes to loot the city.