1895. Former Scotland Yard detective Daniel Wilson, made famous from his days working the 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 who she is and she has no possessions from which identify her. Seeking help from a local journalist, Daniel hopes to unravel this mystery, but the journey to the truth is fraught with obstacles ...