Go behind the scenes at London’s Natural History Museum to uncover the most disturbing secrets in British history. From 15,000-year-old evidence of cannibalism in Cheddar Gorge to the top-secret WW2 laboratory where the SOE built “explosive rats” to sabotage the Nazis, this documentary reveals what lies beneath the display cases. Explore the mystery of the cursed Purple Sapphire, the truth behind the Dodo’s extinction, and the hunt for the “extinct” Barbary Lion. This is the dark side of nature and history, hidden in plain sight.