He fell into a “time loop”, “diving” from the 21st century into the 13th century. He is doomed to the fate of the “Eternal Jew,” wandering between countries and eras. How can a Russian-speaking Israeli survive in medieval Munich, where the first contact with the local population ends with a blow to the head with a stick, his own fellow tribesmen consider him a Golem, summoned by the spell of the legendary Kabbalist Maimonides for protection from robberies and pogroms, and the Bavarian bishop declared the “bastard” a servant of Satan and, since Jews are not subject to the jurisdiction of the Inquisition, requires “divine judgment” for him, i.e., a judicial duel? How can a person who does not own a sword defeat a seasoned knight, what can he use to make bombs and firearms, will he be able to return to our time? After all, to do this you will have to cross robber Europe and the pirate-infested Mediterranean Sea, get to Jerusalem and find the Ark of the Covenant hidden deep under the Temple Mount. But how to obtain permission to excavate? How, how - and become the master of the Holy Land yourself, leading the Jewish “crusade”!