Martin travels to Papua New Guinea to experience life among the subsistence farmers of the Trobriand Islands. Next, he visits the volcanic isle of New Britain, where he's reminded of the fragility of island existence in the Pacific Ocean.

Martin travels to Guam to see the effect of invasive species on remote islands and discovers animals driven to the edge of extinction. In Palau, he learns about marine conservation and meets the endangered hawksbill turtle and the rare dugong.