The Benevolent Society of Ill-Mannered Ladies

The first installment in the Ill-Mannered Ladies series is set in Regency-era England in 1812 and follows twin sisters Lady Augusta ("Gus") and Lady Julia Colebrook, unmarried women of forty-two navigating a society that considers them irrelevant. When a friend's crisis draws them into danger, the sisters discover a new purpose: secretly rescuing women trapped by the cruelties men are legally permitted to inflict.

The story opens at midnight in Vauxhall Gardens, London's famous pleasure grounds, where Gus and Julia have come to retrieve compromising love letters from Mr. Harley, a blackmailer threatening their loyal friend Charlotte, Lady Davenport. When Harley draws a pistol instead of making the agreed exchange, Gus swings her rock-weighted reticule into his groin and knocks him unconscious, recovering the letters without surrendering the diamond necklace meant as payment.

Both sisters carry private burdens. Julia still mourns her betrothed, Lord Robert, who died two years earlier. More urgently, six months ago her doctor diagnosed a thickening in her breast, likely cancer. Julia has forbidden Gus from discussing it, insisting it is God's will. For Gus, the diagnosis has shattered her faith entirely.

Charlotte introduces a new problem. Her goddaughter Millicent Defray explains that her older sister Caroline, Lady Thorne, is imprisoned by her husband, Sir Reginald Thorne. A smuggled letter describes a compliant physician prescribing dangerous quantities of laudanum, an opiate, to create dependence and stage a fatal overdose. Despite the legal impossibility of interfering between husband and wife, Gus and Julia agree to attempt the rescue. Weatherly, the sisters' butler, a formerly enslaved man who understands brutality firsthand, insists on accompanying them.

En route to Sir Reginald's estate, highwaymen stop their carriage. Gus reflexively shoots, grazing the lead highwayman's forehead. Julia recognizes the wounded man as Lord Evan Belford, elder son of the Marquess of Deele, convicted of killing his opponent in a duel over twenty years earlier and transported to the penal colony in New South Wales. Gus conceives a plan: They will present the unconscious Lord Evan as their brother, the Earl of Duffield ("Duffy"), forcing Sir Reginald to admit them.

Sir Reginald relents after Gus threatens him with the scandal of an earl dying on his property. Lord Evan, who has been conscious since the carriage, offers to help. The sisters find Caroline locked in a dark upper room, emaciated and drugged. They disguise Caroline in Julia's gown with her face hidden behind a bonnet and walk her past Sir Reginald. When he notices trailing padding, Gus flings hartshorn salts in his face while Weatherly bundles Caroline into the carriage. Gus stays behind with Lord Evan to delay pursuit. After a violent confrontation, they escape on horseback, and Gus feels an intense physical attraction to Lord Evan.

Lord Evan gives Gus his alias, Jonathan Hargate, and a mailing address, then rides away. Caroline is delivered to her sister's family in Ireland. When Sir Reginald later attempts an abduction scandal, Charlotte provides an alibi confirming the sisters were in London. Meanwhile, Duffy demands they vacate their Hanover Square home for his bride. Gus persuades Julia to buy their own house in the more fashionable Grosvenor Square. She writes to Lord Evan but receives only one reply asking her to forget him. Gus resolves that she and Julia will continue helping women, declaring they will be "defiant, occasionally ill-mannered, and completely indomitable."

At Charlotte's summer ball, Gus investigates the old duel. Lord Evan's younger brother, the current Marquess of Deele, professes belief in Lord Evan's innocence and reveals that their friend Lord Cholton (Bertie Helden) served as Lord Evan's second. Gus also meets Madame d'Arblay, the celebrated novelist Fanny Burney, who underwent a mastectomy without anesthetic the year before, and invites her to visit, hoping her experience might persuade Julia to consider surgery. From society gossip, Gus learns that Lord Evan's sister, Lady Hester Belford, reportedly ran away with a woman, echoing the Ladies of Llangollen, a famous pair known for living together as devoted companions. Gus surmises this may explain Lord Evan's return to England.

Julia's health visibly worsens. A separate crisis erupts when twelve-year-old Marie-Jean, a charge at a home for orphaned girls, is kidnapped for the "virgin cure," a practice in which men with syphilis believe congress with a child will cure the disease. Gus disguises herself as a gentleman, using her late father's clothes and false side-whiskers, and travels to Cheltenham, where the girls are bound for a brothel. Lord Evan, who initially refused to help, arrives unexpectedly, revealing he is an escaped convict who faces the gallows if caught. Inside the brothel, Gus discovers four captive children. She poses as a maid to reach the basement and frees the girls, but Holland, the whoremaster, stabs her in the shoulder. Lord Evan fights the enforcers while Julia bursts in with a blunderbuss, forcing Holland to stand down. All four girls are rescued. Gus loses consciousness from blood loss.

A Bow Street Runner named Mr. Michael Kent, an early form of professional detective, arrives at the sisters' home, revealing Lord Evan is wanted for absconding from New South Wales. He questions the sisters and posts a man to watch their house. Julia, shaken by Gus's stabbing, extracts a promise: Gus must end all adventuring and cut ties with Lord Evan. Gus reluctantly agrees, recognizing that Julia's fear and grief are worsening her illness.

At Duffy's wedding, Gus discovers her brother has sold Leonardo, the hunter their father gave her. Duffy calls Gus an embarrassment and threatens to govern her behavior. Julia sides openly with Gus, rebuking their brother. A letter arrives from Lord Evan: His sister Hester has been incarcerated for two years in Bothwell House, a private women's asylum near King's Lynn, committed by Lord Deele after she resisted forced removal from the home she shared with her companion, Miss Elizabeth Grant. Lord Evan asks Gus and Julia to pose as the asylum's new porter and matron to extract Hester. Julia releases Gus from her promise, recognizing she has been forcing Gus to diminish herself. She gives Gus Robert's claddagh ring as a wedding band for the masquerade.

Posing as Mr. and Mrs. Allen, Gus and Lord Evan arrive at Bothwell House, run by Horace Judd. Gus discovers Hester shackled, emaciated, and catatonic. In the stables, eight elderly women are chained to walls. Among them is Penelope Wardrup, who reveals Judd assaulted her and killed two babies she bore. At midnight, Lord Evan calls Hester by her beloved's name, Elizabeth, and Hester emerges from her fugue. Gus and Lord Evan dig beneath a carved oak and uncover bones confirming Penelope's account.

Julia arrives posing as the Marchioness of Deele to demand Hester's release, channeling the imperious manner of Mrs. Ellis-Brant, a malicious society acquaintance. She occupies Judd while Lord Evan carries Hester downstairs, but Kent has entered the house and holds Lord Evan at gunpoint. Following Gus's earlier instructions, Lady Roberta, Hester's lucid roommate, unlocks the cell doors and leads the inmates downstairs, where they testify to Judd's crimes. Penelope picks up a discarded pistol, shoots Kent in the arm, and tackles Judd through a window. Both Penelope and Judd fall to their deaths.

Lord Evan treats Kent's wound, saving the Runner's life and creating a debt of honor. Julia leverages this debt: Kent agrees to let Lord Evan escape on his horse. Gus and Lord Evan share their first kiss before he rides away. Gus stays with the wounded Kent to await the magistrate and Samuel Tuke, the Quaker asylum reformer, who take charge of the institution.

Back in London, Gus and Julia settle into Grosvenor Square with Hester and Elizabeth convalescing as guests. Kent visits to report the case is closed and warns that a thieftaker named Mulholland is also hunting Lord Evan. Then Gus's coachman summons her to the mews, where Leonardo stands, returned to her. A letter from Lord Evan, enclosed with the horse's ownership papers, declares he will not flee to Jamaica: He cannot leave Hester under Deele's guardianship, and he cannot leave Gus. He asks her to clear his name so they can "make it up as we go along, forever." Gus orders Leonardo saddled and rides to deliver a letter to Colonel Drysan, the dead man's second, inviting him to give his account of the duel.