A family of missionaries live in the jungles of British Guiana, where they have worked out an unconventional philosophy of life based on a practical compromise with civilization. Religion and morality are tempered with humour and tolerance. To this happy household comes Gregory Hawke, a young man who suffers from various complexes and neuroses. He joins the family, hoping that their simple way of life will cure him. He falls in love with one of the daughters and ultimately takes her with him after his recovery.