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With tigers heading for extinction, an international team of big-cat experts and wildlife filmmakers are given unique access to the jungles and mountains of Bhutan for what could be the last chance to save this magnificent animal.
Explorer Steve Backshall is joined by sniffer dog Bruiser - together, they hunt for tigers through the dense forest undergrowth. High in the mountains, wildlife cameraman Gordon Buchanan drives himself to exhaustion tracking tigers that seem as elusive as the yeti. And in a jungle base camp, scientist George McGavin organises a firefly disco, while camerawoman Justine Evans is stuck at the top of a tree during a tropical lightning storm.
For the final team member, big cat biologist Alan Rabinowitz, time to save the tiger is running out, as he has been diagnosed with incurable leukaemia. Alan bugs the forest with remote cameras to capture whatever secretive creatures are lurking there, but ultimately he needs to find tigers if his ambitious plan to protect them across the Himalayas is to succeed.
We follow the expedition every emotional step of the way as they strive to find evidence that could help to bring wild tigers back from the brink of extinction and safeguard their future.