The new episodes of Bridgerton Season 4 are finally streaming on Netflix, and viewers cannot stop talking about the woman making Sophie Baek’s life miserable. Lady Araminta Gun, played by former Harry Potter star Katie Leung, arrives in the Ton with her two daughters and a dark secret. But is she simply a villain, or is there more to her story?
Part 1 of Bridgerton Season 4 dropped on February 5, 2026, introducing audiences to the Gun-Li family . The character fulfills the “evil stepmother” role in Benedict Bridgerton and Sophie’s Cinderella-style love story. However, the flashbacks and Katie Leung’s own comments reveal a woman shaped by betrayal, financial pressure, and survival instinct .
Here is everything you need to know about Lady Araminta Gun, her backstory, her daughters, and what happens next when Part 2 arrives on Netflix on February 26, 2026 .
Who Is Lady Araminta Gun? Meet Sophie‘s Stepmother
Lady Araminta Gun is a twice-widowed aristocrat entering her third social season. She arrives in London with her two biological daughters, Rosamund Li (Michelle Mao) and Posy Li (Isabella Wei), plus her stepdaughter and ward, Sophie Baek (Yerin Ha) .
Her official title comes from her second marriage to the late Lord Penwood (Arthur Lee), who was Sophie’s father. Before that, she was married to Viscount Li, with whom she had Rosamund and Posy .
The Netflix character description calls her “fabulous, discerning, and blunt.” She does not respond well when anything or anyone threatens her position in society . Throughout Part 1, she is never seen wearing colors. Her wardrobe consists entirely of black mourning clothes, visually separating her from the colorful Bridgerton world .
The Betrayal That Changed Everything
The tragedy of Araminta Gun begins the moment she steps out of her carriage at Lord Penwood’s estate. Bridgerton Season 4 shows this crucial flashback in Episode 2 .
Araminta arrives full of hope and joy, ready to start her new life with a man she loves. She is wearing softer colors, smiling, and genuinely excited . Then she meets Sophie for the first time. Lord Penwood failed to mention he had an illegitimate daughter living in his home. He simply introduces Sophie as his “ward” with no further explanation .
Katie Leung described this moment to Deadline as the instant Araminta’s “world come crashing down” . The betrayal was not just about Sophie’s existence. It was about being kept in the dark by the man she trusted. That single moment reshaped who she became.
Later, at Lord Penwood’s funeral, another flashback shows Araminta telling Sophie that nothing was left to her in the will. She offers Sophie a position as a maid instead . Leung explains that while this was manipulative, Araminta genuinely believed she was offering Sophie protection from society’s judgment over her scandalous birth . The actress also notes that Araminta was genuinely upset at the funeral. She loved her husband despite his betrayal, and now she was left raising his secret daughter .
Survival Mode: Why Araminta Treats Sophie Poorly
Understanding Araminta’s behavior requires looking at the world she lives in. Regency society offered women zero financial independence. Marriage was the only path to security.
Katie Leung told The Wrap that Araminta operates in “survival mode” for herself and her daughters . She explained: “I think it’s down to finance, financial stability and not having that” .
Araminta does not have the luxury of showing love the way Violet Bridgerton (Ruth Gemmell) does. Violet has wealth, status, and adult sons to protect her. Araminta has two daughters to marry off and a dwindling reputation. Sophie’s very existence threatens everything. If society discovers that Sophie is Lord Penwood’s illegitimate daughter, the scandal could ruin Rosamund and Posy’s chances of making good matches .
Leung elaborated to Deadline: “I guess the impact of her presence, even when she’s not around, is integral to why Benedict and Sophie are separated because she is powerful and dominating” . She sees Araminta as a “super vulnerable” person who built walls to protect herself. Those walls would likely “crumble” if exposed .
Araminta‘s Daughters: Rosamund and Posy
The Gun-Li family consists of three young women, each treated very differently by Araminta.
Rosamund Li (Michelle Mao) is Araminta’s eldest and her clear favorite. She is beautiful on the outside but vain and unkind on the inside. Rosamund sets her sights on Benedict Bridgerton (Luke Thompson) this social season, determined to win him . She treats Sophie poorly and follows her mother’s example of prioritizing status over kindness.
Posy Li (Isabella Wei) is the younger sister who gets overlooked. She is chatty, sweet, and somewhat foolish. Araminta rarely puts the spotlight on Posy . Unlike her mother and sister, Posy shows genuine kindness toward Sophie and occasionally tries to befriend her. She could be considered a wallflower, similar to Penelope Featherington (Nicola Coughlan) in earlier seasons .
Sophie Baek (Yerin Ha) is the stepdaughter forced into servitude. Before Lord Penwood died, Araminta stopped Sophie’s dance lessons with her own daughters . After his death, Sophie became a maid in the household, working from dawn until dusk polishing shoes and completing endless chores .
Katie Leung: From Hogwarts to the Ton
The casting of Katie Leung surprised many viewers, particularly millennials who grew up watching her in the Harry Potter films .
Leung played Cho Chang, Harry’s first crush, in five Potter films starting with 2005‘s Harry Potter and the Goblet of Fire. Seeing her now play the mother of two grown daughters in Bridgerton has sparked social media reactions about getting older .
One Threads user wrote: “Can‘t believe that Cho Chang is a stepmother now. Yes Potterheads. WE ARE THAT OLD” . Another commented: “Cho Chang playing y’all‘s mom is beyond upsetting as a millennial. Aren’t you all the same age?” .
Since her Potter days, Leung has built an impressive career. She voices Caitlyn Kiramman in the Netflix animated series Arcane. She has also appeared in The Peripheral, Annika, Strangers, and One Child . Scottish by birth, Leung brings depth to Araminta by refusing to play her as a one-dimensional villain.
What Happens in Part 2? Book Spoilers Explained
Bridgerton Season 4 adapts Julia Quinn’s novel An Offer From a Gentleman. For those who have not read the book, Araminta’s story has a clear arc.
The novel sees Araminta finally face consequences for her treatment of Sophie. There are major revelations about Sophie’s true birthright and what her father actually left her in his will . Katie Leung teased to Deadline that Part 2 contains “more drama, more gossip, more bitching and more Varley” as the cat and mouse chase continues .
Part 1 ended with Araminta, Rosamund, and Posy moving in next door to the Bridgertons . This sets up direct confrontations that book fans recognize. Leung called this cliffhanger ending “really good,” noting that Araminta is barely in Episode 4 before the big reveal .
The actress also shared that we may see Araminta in colors during Part 2, though likely still darker tones rather than bright shades.
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The Real Tragedy: A Woman Without Power
At its core, the tragedy of Lady Araminta Gun is about a woman with no real power trying to secure her children’s future in a system designed to fail women.
She was betrayed by a husband who hid his daughter from her. She was left financially vulnerable with three young women to marry off. She chose ruthlessness because kindness felt like a luxury she could not afford.
Katie Leung summed it up perfectly when she said Araminta is in “survival mode” . That does not excuse her cruelty toward Sophie. But it explains why a woman who once arrived at her husband‘s home full of joy became someone who forces her stepdaughter into servitude.
Bridgerton Season 4, Part 2 will reveal whether Araminta finds redemption or faces the consequences of her choices. Viewers can watch the final episodes when they drop on Netflix on February 26, 2026 .
Also Read: Cillian Murphy Opens Up About Embracing Gypsy Magic and Aunt Polly‘s World in Peaky Blinders Movie
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