David Cleeve lived as a bestselling novelist should live, in an opulent house in a beautiful corner of Cornwall but, beneath the successful facade, there lay a private nightmare At regular intervals came a sinister warning, a single playing card, the Jack of Diamonds One day the card arrived torn in half and that night a murderer struck Chief Superintendent Wycliffe, on holiday in the area, was drawn into investigating what would prove to be double murder, arson and a series of crimes stretching back over many years