Soon after John has moved to Dacca to become joint co-ordinator, a newly arrived volunteer becomes seriously ill, and JG has to accompany him back to the UK. In a stay that is meant to last no more than a week, but lasts another ten, a series of critical events combine to destroy his self-confidence and sense of purpose. After many challenges to his certainties, not to speak of his sanity, he decides finally after much soul-searching to return to...