The documentary follows Attenborough as he joins the Ambunti Patrol No 19/1970-71 (May 3 to June 10, 1971), led by ADC Laurie Bragge.
After several weeks in the interior without any sightings of the Bikaru people, the expedition eventually encounters signs of human habitation.
The curious and friendly tribe engages in some minor trading with the expedition, but they become alarmed when Attenborough and company attempt to follow them to their homes.
Following this encounter, the BBC crew is flown out, and the remainder of the patrol returns to Ambunti.
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