Marcus Kincaid, earl of Ashford, has returned to England after a 10-year absence to find his younger sister embroiled in a potential scandal that could ruin her chance at marriage. His aunt has already called in reinforcements - The Paragon. 

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.

Trevor Hunt, the Duke of Ridgely, has been called many things, most of which are true. Reviled by his family, hated by many, he's earned his reputation in the seedy streets of London and more than his fair share of bedchambers. But battling deadly foes and irate husbands failed to prepare the duke for the most troublesome role he's played yet: guardian to one maddening hoyden.

Princess Sarani Rao has it all: beauty, riches, and a crown. But with her father an Indian maharajah and her late mother a British noblewoman, her mixed blood makes her a pariah and a target. When her father is murdered, her only hope of survival is to escape on the next ship out - captained by the man she once loved...and spurned. Captain Rhystan Huntley, the reluctant duke of Embry, has a place in the English fleet that he's loath to give up. But duty is calling him home, and this is his final voyage. Leave it to fate that the only woman he's ever loved must stow away on his ship.

Miss Olivia Dunne was the darling of society, until a thwarted abduction and elopement scheme by an unscrupulous man left her reputation in tatters. But having moved from paragon to pariah, Olivia realizes that there is no reason for her to continue abiding by society’s mandates. In fact, she decides to embrace her scandalous nature and do the very thing she’s been accused of...take a lover. The man she’s chosen is one she’s secretly loved for years, but she’ll need to employ the aid of an unlikely ally to carry it off.