Struggling to build her reputation in the male-dominated world of crime-solving, she frequently calls on her childhood friend William Wellington, a gruff Scottish detective inspector of Scotland Yard, for assistance.
[9] Eliza's late father Henry saved William from the London streets after arriving from Glasgow as a child, and later mentored him as he trained as a policeman.
Series writer and creator Rachael New took inspiration for Eliza's character from Elizabeth Bennet, the heroine of Jane Austen's Pride and Prejudice.
[9] Born into a middle-class family, Eliza uses her appearance as a refined Victorian lady to her advantage; both clients and suspects underestimate her and she frequently relies on this, her wits, and her father's training to solve cases.
The first series was filmed in Dublin, Ireland,[1][4] with exteriors of Eliza's home shot on Mount Pleasant Square, Ranelagh.
The distinctive green dome of Mary Immaculate, Refuge of Sinners Church, Rathmines is visible in some street scenes.
[20][21] Episodes were also released weekly on Amazon Prime Video's PBS Masterpiece subscription channel beginning 24 November 2022.
"[25] The creators said they chose not to kill Martin's character off because "we just thought it would be too final, too cruel for Eliza, for the audience, and quite frankly, would limit our options for the show going forward, I think.