"Sometimes we're not alone .... What is the dreadful secret hiding behind the front door of a small, insignificant South London terraced house? The triple killing of a man and two children back in 1896 in this very house sets in train a series of murders that occur sporadically from then on right up to the present day. But is there a connection or are they simply coincidences? The Reverend Bernard Paltoquet, the vicar of the local parish, and his friends Dr Robbie MacTavish and Dorothy Plunkett, an experienced clairvoyant, are determined to findout. Slowly they piece together the puzzle and, as they do so, begin to unlock the mystery that has kept 57 Bockhampton Road in the grip of an unidentifiable evil influence for so many years... "