"In the corners of the room the shadows cast velvety veils. It would not be too difficult to imagine someone stood there and watched. I thought of Madeleine Hexham.... I glanced around me. It was likely that I'd been given my predecessor's room and that it was here she had planned her flight into the arms of her mysterious lover."

When Lizzie Martin arrives in London in 1864 to become a lady's companion, her first impressions are disturbing. She's barely out of the station when her cab encounters a wagon carrying the remains of a young woman recently dead.

At her new home, Lizzie learns that her predecessor, Madeleine Hexham, disappeared without a word of warning. Despite rumors of immoral behavior surrounding the girl's departure, Lizzie is soon persuaded that there's a deeper mystery here. Her suspicions are tragically confirmed when Inspector Benjamin Ross delivers shocking tidings.

Lizzie is determined to unravel the truth about the lost Miss Hexham. As, too, is Ben Ross: a man who cares about justice, whatever the class of victim. But they must tread carefully, as a cornered killer is the most dangerous of all...