London hunts the Ripper. A widow hunts her husband's killer.

London, 1888. While Jack the Ripper's reign of terror grips the city, Emma Langley's world shatters when her husband is found murdered in Whitechapel. But grief is quickly overshadowed by a startling William Langley was not the man she thought she knew.

As panic fills London's streets, Emma delves into her husband's secret life, uncovering a web of lies that stretches from glittering society drawing rooms to the seedy gambling dens of the East End. Aided by Penny Green, a former reporter with a nose for trouble, Emma follows a trail of blackmail and corruption.

But exposing her husband's killer could make her the next victim and in the shadows of gaslit streets, a murderer waits, ready to strike again…

From the bestselling author of Penny Green comes a spellbinding new Victorian mystery series introducing Emma Langley.