Eliza takes a seemingly impossible case: proving the innocence of a man found at a murder scene with a bloodied knife in his hand, who has already pleaded guilty.
Eliza is hired to go undercover and infiltrate a potentially disruptive gang, but is less delighted when she learns she will be spying on a group of suffragettes campaigning for the vote.
Eliza is hired by a Death Photographer who is receiving bizarre and threatening messages from beyond the grave, and later makes a surprising discovery about her late father.
Eliza pieces the puzzle together to find out what really happened to her father, while Duke looks past his prime suspect to investigate a surprising lead.
The sister of a missing woman hires Eliza to find her, but the case was already closed by the police - creating new tensions between Eliza and the Duke.
Eliza is forced into hiding when she is the prime suspect in a series of break-ins at city mortuaries. While the Duke tries to find other suspects, Eliza turns to Moses for help.
Eliza investigates a case of blackmail and finds herself with a new rival - Patrick Nash, the owner of a large private detective agency who wants to hire her or crush her agency.
A famous mystery writer is at the centre of Eliza's investigation when a series of murders copy scenes from his books. Meanwhile, the Duke juggles problems at work.
Behind the scenes with the cast and crew of "Miss Scarlet and The Duke," including insights from creator and executive producer Rachael New, production designer Paki Smith and costume designer Leonie Prendergast.
When a famous magician does the ultimate disappearing act and vanishes into thin air, Eliza is hired to investigate - despite the fact that Duke is already on the case.
Eliza and William go undercover after a string of crimes all point to one restaurant, and Eliza bumps into a girl who made her life a misery growing up.
When Detective Fitzroy sees one of his colleagues plant evidence on a suspect, he hires Eliza to look into a case of police corruption in Scotland Yard.
Eliza receives a bomb in the morning post and must team up with Duke, Moses and her old enemy Patrick Nash to find out who is behind the deadly delivery.
Things are going well for Eliza until a familiar face shows up to question her role at Nash & Sons. Meanwhile, 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.