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After squandering his grant money, despondent and recently widowed anthropologist James Krippendorf (Richard Dreyfuss) must produce hard evidence of the existence of a heretofore undiscovered New Guinea tribe. Grass skirts, makeup, and staged rituals transform his three troubled children into the Shelmikedmu, a primitive culture whose habits enthrall scholars. But when a spiteful rival threatens to blow the whistle on Krippendorf's ruse, he gets into the act as well. Wikipedia