There are places on Earth that have always attracted attention. In ancient times, legends were written about them, and in the 20th century, the intelligence services of Germany and Soviet Russia became closely interested in them in the hope of using them in a future war. Portals, crossroads of worlds, gates to other realities - whoever owns them owns the strategic initiative. The guesses about the “crossroads” were accidentally confirmed by the crew of Captain Kovalev, who “disappeared” in the battle near Prokhorovka along with their T-34 and a Wehrmacht major to boot, and continued the war in other worlds and with other opponents. Now a real hunt has been announced for the tankers: after all, not only earthlings need the keys to the “crossroads”...