Bertie Bones & the Aztec Gold

Bertie Bones, archaeologist, receives a secretive and mysterious phone-call from Salvador Gonzales a TV executive who has him travelling to Mexico, then across deserts and deep into the Sierra Madre mountains. Meeting some old friends and making some new Bertie gets caught up in a secretive and undercover expedition to search for the long lost gold of the Aztec emperor Montezuma. Things do not go exactly as planned though and Bertie finds himself in danger, helped only by an unexpected stowaway....