Check out the official Sharkwater Extinction trailer starring Rob Stewart, Will Allen, and Brock Cahillbr br Discovering that sharks are being hunted to extinction, and with them the destruction of our life support system - activist and filmmaker Rob Stewart embarks on a dangerous quest to stop the slaughter. Following the sharks - and the money - into the elusive pirate fishing industry, Stewart uncovers a multi-billion dollar scandal that makes us all accomplices in the greatest wildlife massacre ever known.