The Halls settle into their new home, where the remarkable wildlife views them as just another animal. They learn about the perils of plastics, shark conservation, and go swimming with turtles.

Monty joins a shark survey and also goes on a terrifying night dive. The family explore a volcano. They also start keeping chickens and growing their own food.

In their final weeks on the island, the Halls get to know the marine iguana. Monty takes his daughter snorkelling with sharks and joins a research project on the ocean's top predator.