Sir Stephen Fry guides viewers through hidden corners of nature, revealing the secrets of extraordinary creatures. The giant panda park in the southwest is three times larger than Yellowstone and serves as home to 10,000 species. On Hainan Island and at the sources of great rivers, genetically unique inhabitants thrive. Northeastern forests protect tigers, while Mount Wuyi preserves untouched UNESCO-listed flora and fauna. This large-scale project highlights the fragility of ecosystems and the importance of their protection.