In 1866 London, Dr. Julia Lewis, when grisly murders happen all over the city, works with Inspector Richard Tennant to understand a killer's dark obsessions and motivations, facing off against a fiendishly calculating opponent who has set his sights on Julia.

"London, 1945. The capital is shrouded in the darkness of the blackout, and mystery abounds in the parks after dusk. During a stroll through Regent's Park, Bruce Mallaig witnesses two men acting suspiciously around a footbridge. In a matter of moments, one of them has been murdered; Mallaig's view of the assailant but a brief glimpse of a ghastly face in the glow of a struck match. The murderer's noiseless approach and escape seems to defy all logic,...

Carrying into her adult years a sense of fatalism instilled during her hardscrabble birth, Nazneen finds herself married off to a man twice her age and moved to London, where she begins to wonder if she has a say in her own destiny.

"London, 1887. When newly graduated medical doctor Charlotte Duvall receives word that her father has died, she immediately leaves America and returns home to see to her family's estate. Among her father's possessions is a box of her late mother's letters, which feels like a balm to Charlotte's grief-stricken heart. But the letters contain some inconsistencies that suggest there was more to her mother's death than Charlotte had been told. She turns...