Two hundred years have passed since the first telepathic messages were received from the depths of the Cosmos. Not all the strange visions, saturated with fragments of earthly history, were deciphered, humanity did not have enough knowledge for this. The aliens came to the rescue.... Thanks to the super-civilization of the Earthlings, the details of the odyssey of the English captain Peter Shelton became available. The brave adventurer Shelton fought the Spanish and pirates of the Caribbean, overcame the jungles of South America to get to the treasures of the Inca Empire. But the fact that for the navigator of the XVII century was only gold and precious stones, for researchers of the XXIII century became treasures of a completely different kind!