If you fell into a STORM OF TIME and were carried away from our days to the Moscow principality of the 15th century - learn to row against the course of Eternity and live according to the principle: the salvation of drowning "Popadans" is the work of the "Popadans" themselves! Be ready to become a "trading guest" and go beyond the three seas, far away and far away - first to Persia for spices, former then worth its weight in gold, and then to Italy behind precious Venetian glass, You will have to fight the Tatars on the Oka and the Berber pirates on the Mediterranean Sea, survive storms and shipwrecks, overcome the rapids and whirlpools of Time to meet the young apprentice Leo in distant Florence, prompting him several inventions and receiving in gratitude his portrait of the work of a new friend, signed: Leonardo da Vinci...