The Ross Sea Antarctica is the most pristine stretch of ocean on Earth. Scientists describe it as our last 'living laboratory', a place that can teach us about the workings of all marine ecosystems. But the fishing industry recently found its way to the Ross Sea, targeting Antarctic toothfish and unless stopped, the natural balance of this unique ecosystem will be lost forever. 'The Last Ocean' tells the story of the race to protect Earth's last untouched ocean from our insatiable appetite for fish, and raises the simple ethical question: do we fish the last ocean or do we protect it?