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.

Entangled by their pasts, a rakehell lord and an outspoken lady find passion that flares in their present. Will they have a second chance at romance, or will the sins of the past keep them apart forever?

Fredericka Hale needs a husband, and fast. She’s been caring for her deceased sister’s three young children, and now a childless cousin has petitioned the court for custody. Fredericka is powerless to stop her, but having a husband might sway the ruling. The last thing Fredericka wants is a hurried-up marriage to a man she doesn’t know―much less love, but she’ll do it for the children. So when the handsome Duke of Wyatthaven shows up with a proposal, she accepts. He’ll help her, and in return, they’ll lead separate lives.

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.

One should never judge a duke by his cover. As far as London society knows, Giles Drew, the Duke of Basingstoke, is everything a proper aristocrat ought to be. But when a notorious scandal sheet publishes details of Giles's questionable bedroom antics, only one bride can salvage his reputation. Prim and penniless, Francesca Stanhope has resigned herself to a season full of the ton's snickering—until the Duke of Basingstoke's dizzying courtship transforms her fate. Yet wedded bliss quickly turns into a clash of wills as Franny realizes her handsome duke is a devil in disguise.