When a old man strikes up a conversation with her on the steps of St. Paul's and makes a mystifying allusion to a murder and an oddly familiar comment about her grandmother, Kate Murphy is intrigued. But she never gets to hear the rest of Andrew Deacon's tale. Shocked by his unexpected death, with her interest piqued by a story never told, Kate becomes drawn into an investigation uncovering secrets about her grandmother she thought she knew and the man she never did. And she soon realises her questions are putting lives in danger...