The Auca Indians in Ecuador were once regarded as the most ferocious Amazon tribe. Auca means ' naked ' or ' savage'. Nowadays they resent the name Auca and call themselves Waorani which means ' people Twenty-five years ago, five American missionaries embarked on ' Operation Auca', an attempt to convert the tribe. They were speared to death. But two years later two missionary women succeeded in reaching the tribe and today most are Christians. This Everyman report, filmed in some of the most remote parts of the Amazon jungle, examines the impact the missionaries have had on the tribe. Has Christianity helped them-or does it threaten their identity?