In the busy harbour of Noumea, a tropical paradise is under threat from an influx of huge, hand-fed Bull Sharks. New Caledonian scientist Dr Laurent Vigliola needs the help of Australian shark scientist Dr Will Robbins, who will travel from Australia to apply his groundbreaking shark relocation technique. Together, they will trial a world-first plan to save the sharks, and learn their secrets, as they catch, crane-lift, and relocate several Bull sharks from in town to a pristine coral reef. Their combined scientific innovation will show us if the sharks can adapt to their new home away from people, and learn to feed in the wild. Dr Robbins hopes to use the results of these sharks' behaviour back in Australia, where he specialises in reducing the threat of human-shark interactions. Australia’s current policy is to catch and kill large sharks near public beaches.