A group of scientists are trying to stop a filaria epidemic spreading through a Tahitian population. They meet resistance in using western medicine to combat the disease from the medicine man and chief until the chief's son is infested with the parasitic worm which causes the disease.

• Crane-Knott-Long
• Ana
• Vahio
• Taia Tepava
• Tehapaitua Salmon
• George Thooris
• Henry K. Beye
• Ben Bambridge
• William A. Robinson