Answering a friend's plea to come to Cornwall to investigate the mysterious death of his grandfather, teenage sleuth Rebecca McOwan embarks on a perilous adventure among the rugged coves and caves of the Cornish coast.  Their investigations uncover a hoard of Nazi gold and disturb dangerous memories of a submarine battle in World War II.  What secrets lurk in the crypt of the Smugglers' Chapel and its gloomy graveyard? Who is the shadowy figure hiding on the wreck in the bay? A terrifying encounter on a lonely cliff path makes Rebecca question whether the Black Monk himself has returned from the darkness of history. Nigel Cubbage’s  second novel featuring Rebecca McOwan and her friends follows her thrilling adventures  in a Scottish Castle, recounted in   "The Voice in the Mist".