The documentary features some of the least explored parts of Russia: Altai, Amur, Kamchatka, Yamal, and the Arctic. In each region, the crew uncovered how species have adapted to Russia's challenging terrain: from polar bears, hunting on melting ice caps, and musk oxen coping with punishing Arctic conditions, to the toad-headed agama lizards doing their best to survive in the scorched desert near the Caspian Sea. These precious habitats and the animals that call them home are under direct threat...