An ancient curse had predicted that the Heredith line would end in horror. Now it seems that curse may well come true. The young wife of the last of the Heredith family has been found murdered in her bed while guests of the Heredith moat-house dine below. Philip Heredith lies ill from the strain. Scotland Yard quickly makes an arrest, but when doubts arise the celebrated private detective Grant Colwyn is called in to investigate. Who killed Violet Heredith? How could they have escaped from an upstairs room past a house full of people? And what has become of the famed Heredith pearls? Find the answers to these and more questions in The Hand in the Dark!