1895. Former Scotland Yard detective Daniel Wilson, famous for working the notorious Jack the Ripper case, and his archaeologist sidekick Abigail Fenton are summoned to investigate the murder of a young woman at the Manchester Museum. Though staff remember the woman as a recent and regular visitor, no one appears to know her and she has no possessions from which to identify her.

When the pair arrive, the case turns more deadly when the body of a second woman is discovered hidden in the depths of the museum. Seeking help from a local journalist, Daniel hopes to unravel this mystery, but the journey to the truth is fraught with obstacles and the mistakes of the past will not be forgotten ...