White sharks are infiltrating the waters off Cape Cod. Shark scientists and experts head to New Zealand to test new cutting-edge technology for shark detecting surveillance. If all goes well, they will bring it to Cape Cod to make the water safe again.

Norfolk Island is known to have the largest tiger sharks on earth that drawn by full-size animal carcasses tossed into the sea. Shark experts are on a quest to find out if this practice has altered the behavior of these massive sharks.