Where did the Incan gold go? Until now, the mystery haunts historians and numerous treasure hunters from all over the world. Where are the treasures hidden? In the Peruvian jungle or in Bolivia, Chile, Paraguay? In the mythical city of Paititi or in the legendary Vilcabamba? The youngest son of Huayna Capac, the eleventh ruler of Tahuantinsuyu, left a message for subsequent generations on how to find the treasures of the Inca Empire. But deciphering his writing is not so easy. You can’t do it without the help of Viracocha, the main Inca god! Alexander Kuznetsov, a famous Russian linguist, a graduate of the Moscow Peoples' Friendship University, at the request of his friend and classmate Marcos Bravo, flies to Peru to understand the tragic events that happened to their mutual friend Ivan Jimenez. It turned out that it is impossible to solve modern problems without immersing in the distant past of the Inca civilization.