Faith or delusion? Fantasy or fact? From the winner of the 2009 Orange New Writers Award comes a profound meditation on the nature of faith and a riveting story of religious passion gone tragically wrong in London.

When word gets out that Mary-Margaret O'Reilly, a somewhat slow-witted but apparently harmless young woman, may have been witness to a miracle, religious mania descends on the Church of the Sacred Heart by the River Thames in Battersea, London. The consequences will be profound, not only for Mary-Margaret herself but for others too--Father Diamond, the parish priest, who is in...