The huge emerald, which once belonged to the Aztec emperor Montezuma, was once owned by the conqueror of Mexico Hernan Cortes, and the thief Giovanni, and the Napoleonic colonel, and Empress Elizabeth Alekseevna... Several times this stone was lost and reappeared, bringing happiness to someone, and for some, death. Finally, he fell into the hands of Anastasia Raevskaya, maid of honor of the last Russian Empress. At this point, his traces disappeared... And today, the Montezuma emerald was discovered in one of the old Moscow houses, in a hiding place, along with a Faberge egg. But treasure hunter Vlad Lozovsky, who stumbled upon the cache, could not even suspect how dangerous this find would make his life...