David Attenborough encounters a peculiar cult group, while surveying the New Hebrides as part of his expedition to the South West Pacific. In Tanna, David interviews members of the John Frum cargo cult. The group's members take an unusual interest in radio signalling equipment, and they build intricate scarlet gates and crosses throughout the island and across the hazardous volcanic plains.
Series featuring David Attenborough discussing his journey through the South West Pacific in search of vanishing south sea rituals and customs.