After losing her fiancé to a terrible accident, Miss Katherine Blackmore found contentment as a matchmaker to the members of Society. Working alongside her sisters, they strive to secure the most unlikely people with love matches. Everything is perfect until an infuriating lord steps into her office, turning her world upside down. Edward Simpson, the Marquess of Berkshire, has a problem. His sister needs to marry, and quickly. When he approaches Miss Blackmore to hire her services, he does so poorly and ends up soundly insulting her. Luckily, he fares better with his second attempt.

Lady Madalene Ramsbury has been summoned home from Miss Bell’s Finishing School to some unfortunate news. In three weeks, she is to be married to a man she’s never met. Rather than face a life she does not want; she flees from her own engagement party and elicits help from a most unlikely source. Society’s golden boy, Everett, the Marquess of Northampton, was outraged when a young woman suddenly appeared in his curricle. Was she attempting to trap him into an unwanted marriage? It would be just like some overzealous mother to put her up to such a ploy.

Lady Edwina Lockwood grapples with the loss of her father when her cousin extends an invitation to Lord Hilgrove to visit Brockhall Manor. She intends to avoid this houseguest, but he quickly becomes a constant presence, much to her annoyance. Despite her initial reluctance, Edwina discovers she can offer support to Lord Hilgrove as he copes with his own grief.

Born with a perfect memory, Lady Elizabeth Beckett has become one of the world's most notorious spies, despite being the daughter of a duke. She is shielded only by her code name: Shadow. When young ladies of High Society begin disappearing from London, Eliza has no doubt who is orchestrating these crimes; a heinous man she has been investigating for years. Vowing to save them before they are sold to the highest bidder, she must risk everything to stop him.

Miss Lizette Kent's life is in shambles. Not only did her mother just pass away, but she has been left without the means to provide for herself. While she is contemplating her future, she encounters an unexpected and vexing man: Tristan Westcott, a man that mistakenly seems to believe that she is the daughter of an earl, despite her insistence that she is not.

Patience Whitford spent the last two seasons watching her elder sisters make grand matches. She is thoroughly apprehensive with the notion of being limited by marriage. But that seems like an inconsequential concern with no prospects on the horizon to follow in her sisters' footsteps. And to make matters worse, she is uncommonly jealous of all of the military officers she's befriended and their grand adventures. When Major Ashley Stuart is assigned to investigate some petty crimes near his brother's estate in Greenwich, it soon becomes apparent that there is something much larger going on.

When their elderly guardian dies, Faith Whitford is determined to set up house in Bath and look for respectable country gentlemen for her four sisters. She has no ambitions for mingling with the ton. What she did not expect was a new guardian, in the form of a London Beau to be appointed over them, nor that he would take any interest in their care.

Madalene Dowding was devastated when her mother died, leaving her all alone. To honor her mother's legacy, she decides to use part of her fortune to open an orphanage. When a teacher at the orphanage goes missing, Madalene takes it upon herself to start looking for her, even if it means taking her deep into the unsavory parts of London.

Despite the fact that her daughter is not cooperating, Caroline, Duchess of Riverton, is determined to ensure every one of her children marries someone they love as much as she loved their late father. William, the widowered Earl of Blackstone, is delighted to have his days of escorting daughters approaching an end.

Lucy Bell burns with determination. Convinced an arrogant aristocrat is to blame for her expulsion from her beloved school, the penniless girl sets out to visit her best friend to help her undo the catastrophe. But when a storm on the road leaves her in a compromising position with a handsome gardener, she is swept away by his gruff kindness.

Much to her father's dismay, Miss Amelia Buxton aspires to become a spinster, just like her eccentric aunt. Growing up with parents who married for every reason but love, she has never seen a joyful marriage. When Amelia requests a summer trip to the legendary waters of Brighton, her father allows her the excursion, but with one requirement: She must return engaged, or agree to the proposal of the man of his choosing.

Gregory Dinard, a young and inexperienced duke, finds himself in need of a companion to help him navigate the intricacies of his new role. Uncertain of his abilities and unwilling to take a chance at love, he looks for a marriage of mutual benefit rather than a match of mutual affection.

She's on the run from her cruel guardian... And Miss Adelaide has found the perfect hiding spot in the home of the formidable Earl of Tolston. But masquerading as a maid comes at a cost. One day she faints on the job, and when she wakes... She's in the arms of the Earl. His eyes are dark as he glowers down at her, but then he says, "What are you hiding, little one?"

Hampton Hall's new owner has the villagers of St. Hampton Heath all aflutter - all except Lavinia Ellison. The reverend's daughter cares for those who are poor and sick, and the seventh Earl of Hawkesbury definitely does not meet that criteria. His refusal to take his responsibilities seriously, or even darken the door of the church, leave her convinced he is as arrogant and reckless as his brother - his brother who stole the most important person in Lavinia's world.

Richard Graham cannot believe his luck when his great-aunt promises him a fortune if he’s married by Twelfth Night. He can finally clear his father’s debts and save his beloved Belside Manor. Miss Ruth Steele meets all the marriageable requirements his aunt insisted upon, but he’ll need the help of her clever and beautiful sister, Grace, to win the quiet woman over. Not only is Grace a dear friend to his younger sister, with loyalties to his family estate, but she also happens to owe him a generous favor.