Davina begins her journey in Namibia, one of the hottest countries in the world. Here she comes face-to-face with one of the world's more iconic predators - the cheetah. Davina decides to test a cheetah's speed, by racing one of the wild cats. She then heads to a Game Reserve to learn more about how animals can cool themselves down, she also spends a night camping in the reserve. During the night, the camp is visited by a lion. Davina also meets the San Bushpeople, who live in the Kalihari desert. She also takes a look at the fog and how animals can use this as well.
In episode three, Davina travels to the islands of Svalbard in the Arctic Circle. It’s a harsh environment set across 15 million square kilometers of sea ice, where temperatures can drop to minus 40 degrees Celsius. Just 800 miles from the North Pole, her journey begins in Longyearbyen, one of the most Northerly towns in the world.