 Matthew Lloyd has drifted away from a respectable career as a physician, and lives a mediocre existence in a Polynesian island. There, pearl-trader Sebastian and his associates recklessly exploit the natives working for them as divers. After witnessing the appalling consequences of "civilization" on the local population, Matthew vehemently condemns Sebastian s greed and ruthlessness. Sebastian, however, will not shy away from any means to crush opposition to his activities.