After the death of Christ, the Apostle Peter set the four stones given to him by the Messiah into a golden cross and always carried it with him. Saint Peter possessed enormous spiritual power, performed miracles, healed the sick and suffering. There is a version that a miraculous golden cross helped him in this. After the fall of the Roman Empire, the tomb of St. Peter in the Vatican was also plundered. The four barbarians who found the burial fairly divided the four precious stones and went in different directions. Since then, the fate of the stones is unknown. There is a legend that if someone manages to collect these four stones together, this person will have endless power over the bodies and souls of people... Art critic Agniya Ivolgina, assistant to the antique dealer Borovoy, could not understand why her boss was bidding with such frenzy at the auction in Venice for a cup that, in her opinion, was not of particular value. However, when that same evening Borovoy was killed during an attempted robbery, and Agnia herself almost died in a staged accident, and the main decoration of the cup, a huge blue sapphire, disappeared, the girl realized: it was not without reason that Borovoy paid such a huge sum for an unremarkable lot! ..