A snow leopard and her cubs have been separated from their territory by an avalanche in the Himalaya Mountains, and it is up to Ben and Zoe to find the rare cats and guide them to safety before the local villagers poison them.
Ben and Zoe travel to the Kalahari Desert in Namibia to rescue a lion cub who has fallen down a well, but a sandstorm threatens to overwhelm them before they can get the cub back to its pride.
The twins Ben and Zoe are sent to an Alaskan village in the far north to investigate the death of a mother polar bear and find and rescue her two orphaned cubs.