In Tasmania Martin learns of the horrific facial cancer endangering the legendary Tasmanian Devil and how there is hope on the horizon. But it's not only the more exotic horses under threat Ð horses are vulnerable. In Mongolia he gets up close to these un-tamed Przewalksi's horses. In the Maldives he meets a marine biologist who is working to maintain the population of the close-to-extinction manta ray and in Cheshire Martin learns about the British Bulldog, originally bred to inflict pain and suffering on bulls and bears.