Path alongside a mountain slope. One of the researchers examining patients in a village. Papuans with goitre are being separated and palpated by a physician. Man makes a girl climbing a stone, puts a sign with a number around her neck and takes a picture. Woman with goitre carrying a baby on her shoulder. The baby is paralysed. Man opens his mouth. Papua children, walking poorly. Boys are made to build towers with rings to test their intelligence. Doctor with potion shows patient with goitre how to drink the medicine. Woman being irradiated [?]. Blood being taken from woman. Tilling soil by dozens of Papuans. Plane in the air. The Dutchmen leaving the village and going to the aircraft. Plane taking off.