Lady Euphemia Marlington hasn't been free in 17 years - since she was captured by Corsairs and sold into a harem. Now the sultan is dead and Mia is back in London facing relentless newspapermen, an insatiably curious public, and her first Season. Worst of all is her ashamed father's ultimatum: marry a man of his choosing or live out her life in seclusion. No doubt her potential groom is a demented octogenarian. Fortunately, Mia is no longer a girl, but a clever woman with a secret - and a plan of her own....

When Sophie, the least interesting of the Talbot sisters, lands her philandering brother-in-law backside first in a goldfish pond in front of all society, she becomes the target of very public aristocratic scorn. Her only choice is to flee London, vowing to start a new life far from the aristocracy. Unfortunately, the carriage in which she stows away isn't saving her from ruin. It's filled with it.

Thea Knight loves a spot of mischief. She especially loves her current mischief: masquerading as her sister, while finalizing her scheme to expose the dastardly knaves whose lies ruined her life. Then big, bad-tempered Lord Luxborough upends her game by maneuvering her into marriage. But it's her sister’s name on the license, so the marriage won’t be valid. Thea’s idea? Keep pretending to be her sister until she can run away.

Spirited debutante Lady Olivia McLeod, cherished daughter of the Duke and Duchess of Strathaven, has two interests: solving mysteries and winning the love of her rescuer and secret crush, the infamous Duke of Hadleigh. When Livy joins Lady Charlotte Fayne's charity for young ladies and discovers that it is a front for a covert investigative agency, she is thrilled. Livy dedicates herself to solving a deadly case. Little does she realize that the path to danger will also lead to her heart's deepest desire.

The wedding-night death of her much older husband left Tess Townsend the Dowager Duchess of Wansford—and still a virgin. Now she and her two best friends investigate London’s most scandalous crimes, and while Tess longs to experience physical pleasure for herself, she can’t risk losing her treasured independence.