The bells of hell

Gavin, Rector of St Barnabus Without, runs his parish on determinedly trendy lines, concentrating on gays, 'bondage freaks', mackintosh fetishists and other perversions rather than the Old Time Religion. His Bishop also thinks along modern lines when the arrival of a new, somewhat strange, Curate causes a series of true miracles. The Bishop is about to announce a return to the old ways when a natural explanation of the miracles is discovered. But who exactly is the mysterious Curate?