Explore the shores of the Northern Territory and the abundant waters of the Great Barrier Reef as biologist Lizzie Daly looks into why so many strange and deadly creatures make this remote area home. Dip into cool southern coast waters, come face to face with majestic grey nurse sharks, shape-shifting cuttlefish and huge blue whales, and learn why these seas are brimming with life. We visit the untamed lands where Australia's interior desert meets the hot and hostile Indian Ocean as biologist Lizzie Daly dives with tiger sharks, manta rays and nomadic turtles.