Season 1
Episode: 1x01 | Airdate: Mar 31, 2020 (60 min)
Eliza steps into her father's shoes and takes over his detective business, following the shocking news of his death. This move goes against the wishes of everyone around her, including family friend Inspector Wellington, aka "the Duke". In her first ever case, Eliza is hired by an unscrupulous male client trying to find his long-lost niece, but things aren't all as they seem. Eliza's sheer determination to uncover the truth helps her realise that she does have what it takes to be a detective.
Episode: 1x02 | Airdate: Apr 7, 2020 (60 min)
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.
Episode: 1x03 | Airdate: Apr 14, 2020 (60 min)
Scotland Yard has its eye on potentially disruptive gangs and political groups. Eliza is hired by The Duke to go undercover and infiltrate one such group. She is delighted by this show of faith in her abilities; however she is less delighted when she learns who she will be spying on… a women's suffrage group campaigning for the vote. Eliza is conflicted. Is she a woman or is she a detective?
Episode: 1x04 | Airdate: Apr 21, 2020 (60 min)
Eliza finds herself hired by a Death Photographer who is receiving bizarre and threatening messages from beyond the grave. This theme of death causes Eliza to reflect on her own late father, Henry. She soon discovers his old casebook, which makes her question what really happened to him before he died.
Episode: 1x05 | Airdate: Apr 28, 2020 (70 min)
The final entry in Henry Scarlet's casebook takes Eliza and Duke to a seemingly abandoned prison on the outskirts of London.
Episode: 1x06 | Airdate: May 5, 2020 (70 min)
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.
Season 2
Episode: 2x01 | Airdate: Jun 14, 2022 (60 min)
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.
Episode: 2x02 | Airdate: Jun 21, 2022 (60 min)
A valuable sketch by recently deceased Charles Darwin has been stolen, and Eliza is hired by an insurance company to find it. Why she was hired, and how the mystery is solved, bring fresh twists.
Episode: 2x03 | Airdate: Jun 28, 2022 (60 min)
Eliza is forced into hiding when she is the prime suspect in a series of break-ins at city mortuaries. While Duke tries to find other suspects, Eliza turns to Moses and her other associates for help.
Episode: 2x04 | Airdate: Jul 5, 2022 (60 min)
Eliza is hired to solve a case of blackmail in the shady world of Victorian medicine, 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.
Episode: 2x05 | Airdate: Jul 12, 2022 (60 min)
A famous mystery writer is at the centre of Eliza's investigation when a series of murders copy scenes in his books. Meanwhile, the Duke is also juggling problems at work with a new superintendent and a troubled young detective.
Episode: 2x06 | Airdate: Jul 19, 2022 (60 min)
While Eliza and the Duke struggle around the edges of their relationship, private investigator Nash is shot just as Eliza agrees to work with him. As Eliza and Moses work to solve the attempted murder, they realise that Eliza was the target.
Season 3
Episode: 3x01 | Airdate: Nov 24, 2022 (52 min)
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 Duke is already on the case.
Episode: 3x02 | Airdate: Nov 24, 2022 (53 min)
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 Duke.
Episode: 3x03 | Airdate: Nov 24, 2022 (53 min)
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.
Episode: 3x04 | Airdate: Nov 24, 2022 (53 min)
Detective Fitzroy sees one of his colleagues plant evidence on a suspect. With Duke away, Fitzroy turns to Eliza and hires her to look into a case of police corruption.
Episode: 3x05 | Airdate: Nov 24, 2022 (53 min)
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 to claim the money and Eliza will need Duke's help, but a revelation about his personal life makes working together impossible.
Episode: 3x06 | Airdate: Nov 24, 2022 (53 min)
The season comes to an explosive climax when Eliza receives a bomb in the mail. Who sent it and why? Eliza teams up with Duke, Moses and her old enemy Patrick Nash to find out who is behind the deadly delivery.
Season 4
Episode: 4x01 | Airdate: Jan 7, 2024 (52 min)
Season 4 opens with Eliza having taken over the business of Nash & Sons (not that he has any sons) and things are not going entirely smoothly, although help comes from some familiar sources. Outside of work, her relationship with William (The Duke) builds towards a looming decision that will shape both their lives.
In fact, Eliza teams up with Duke to investigate a burglary in a high-end brothel whose clients include important members of the British government.
Episode: 4x02 | Airdate: Jan 7, 2024 (53 min)
When a close friend of Mr. Potts is murdered, Eliza finds herself investigating the dark and macabre world of Victorian undertakers.
Episode: 4x03 | Airdate: Jan 7, 2024 (53 min)
The story of how it all began. It's twelve years earlier and Duke and Eliza meet for the very first time.
Episode: 4x04 | Airdate: Jan 7, 2024 (53 min)
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.
Episode: 4x05 | Airdate: Jan 7, 2024 (53 min)
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.
Episode: 4x06 | Airdate: Jan 7, 2024 (52 min)
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.