A famous magician does the ultimate disappearing act and vanishes into thin air. All of London is talking about the mystery and Eliza is hired by a newspaper to investigate, despite the fact that the Duke is already on the case.

Eliza bumps into Arabella Herbert, the girl who made her life a misery growing up. But as an adult, Arabella seems kind and considerate and everybody loves her. So, when Eliza suspects she may be a criminal, no one wants to hear it, least of all the Duke.

Eliza is on the trail of a notorious conman and tracks him down to a hotel in a remote part of France. She believes she has finally caught Scotland Yard's most wanted man, but she's not the only hotel guest who wants to claim the reward.

Detective Fitzroy sees one of his colleague's plant evidence on a suspect. With the Duke away, Fitzroy turns to Eliza and hires her to look into a case of police corruption.

Eliza is on the verge of earning life-changing money when she offers to help the heir to an unclaimed fortune. It's a race against time and Eliza will need the Duke's help, but a revelation about his personal life makes working together impossible.

The season comes to an explosive climax when Eliza receives a bomb in the mail. Who sent it and why? Eliza teams up with the Duke, Moses and her old enemy Patrick Nash to find out who is behind the deadly delivery.

Eliza teams up with Duke to investigate a burglary in a high-end brothel whose clients include important members of the British government.

When a close friend of Mr. Potts is murdered, Eliza finds herself investigating the dark and macabre world of Victorian undertakers.

The story of how it all began. It's twelve years earlier and Eliza and The Duke meet for the very first time.

Things are going well for Eliza until a familiar face shows up to question her role at Nash & Sons. Meanwhile, The Duke receives an offer that brings their relationship to a crisis point.

Eliza and Nash are still struggling to work together when an explosive case takes them into a cutthroat industry where people will kill to keep their secrets.

Eliza is on the trail of a fugitive who is charged with murder. She must find him before the police do or risk losing everything.