Exploring the shores of the Northern Territory and the abundant waters of the Great Barrier Reef. Facing flooded roads, hungry saltwater crocs, and killer jellyfish, Lizzie investigates why so many strange creatures make this remote area home.

Saying goodbye to the tropics and dipping into cool southern coast waters, biologist Lizzie Daly comes face-to-face with majestic grey nurse sharks, shape-shifting cuttlefish, huge blue whales, penguins, and sea lions.

Completing the trip's final lap in the untamed lands where Australia's interior desert meets the hot, hostile Indian Ocean, Lizzie confronts the challenges of survival in this region as she dives with tiger sharks, manta rays, and nomadic turtles.