As eager as Beatrice, Duchess of Kesgrave, is to meet her husband's newly discovered illegitimate half sister, she does not want it to happen like this: in the keeper's house at Newgate. Yes, that Newgate, the abject prison filled with squalor and misery to which Verity Lark has been consigned for murder. Found standing over the slain corpse of an old tormentor with a still-warm pistol in her hand, she is obviously...