The Stronghold (thriller) invites the boys to his house where in a big worry and hurry he tells them the story about Inca civilization, the ruins, which according to some historians were built by Incas, but which, however, could not be erected by Incas given their level of technology. The artist also tells them a legend about a lost city called Paititi, shows them a blurred photo of some unknown ruins in selva and gives them a handwritten map supposed to lead to that place. After some deliberations the guys decide to go to Peru and look for the Inca’s stronghold. Gunnar Ivers
Tad, The Lost Explorer Sara and Tad escape their clutches. Arriving in Machu Picchu, they discover that Professor Lavrof was kidnapped by Odysseus. After a series of adventures, they find Lavrov and Max Morden (voiced by Adam James), a famous archaeologist and Sara's fiance. After cracking the code of a wall map. Kopponen searches the desert with Lavrov and Mordon to find the treasure of the Incas. But Tad and Sara have the real map, and they depart for the jungle. Kopponen discovers them and finds the underground temple. After more adventures, it is revealed that Max is in league with Odysseus. After a