1926. Having completed a dangerous investigation in Leningrad, a special-group employee from the OGPU’s Spetsotdel, Vadim Arsenyev, on orders from leadership is sent to the other end of the country—to distant Yakutia. There, at the “Pole of Cold” near the settlement of Oymyakon, lies the mysterious Lake Labynkyr, revered by local peoples. Ancient legends are connected with it—legends that suddenly received real confirmation. According to police reports, in the area around the water they find torn-apart hunters and herders, while the surviving witnesses pass along terrifying stories of “monsters” allegedly seen in the tundra…