Inspector William Monk has his hands full when an aristocrat's daugher is stabbed to death in her own bed. He is instructed to proceed without delay, but finds his efforts hamstrung by the lingering traces of amnesia and the craven ineptitutde of his supervisor, who would love to see him fail. With the help of Hester Latterly, formerly a nurse with Florence Nightingale, Monk gropes warily through the silence and shadows, knowing that with each step he comes closer to the appalling truth....