7 crystal balls. Erzhe

A scientific expedition returning from South America brings with it an ancient mummy crowned with a golden diadem. The decoding of funeral inscriptions allows us to establish that this is a great Inca Kapak. Soon, the expedition participants are one after another in a lethargic dream. According to experts, the reason for this may be a certain substance: its traces are present on the fragments of crystal balls, which are found again next to the victims.

In the clinic, where the victims of a strange epidemic are delivered, a new intriguing detail becomes known: every day at the same time, all seven fall into a deep trance. Did anyone really decide to punish those who dared to defile the tomb of the ruler of the Inca? All newspapers are trumpeted about this! Tintin is taken to work.