This week's program tells the story of an unlikely friendship between a former wildlife ranger and the renowned British conservationist Dame Jane Goodall.

Their special connection has become a 'game changer' for the men and women on the front line of the increasingly bloody global war against poachers.

Ten years ago Sean Willmore set up an organisation called the Thin Green Line to 'protect the protectors' – wildlife rangers who were being killed and maimed.

But it was only when Willmore crawled from his his sick bed on the off chance of meeting Dame Jane in Melbourne that the real breakthroughs came.

Now he has the ear of world leaders, rock stars and British Royal Princes...