Lady Letitia Randall sends a desperate note to the man she believed jilted her eight years ago. Her husband has been found beaten to death and the authorities have issued an arrest warrant for her younger brother, Justin, who's disappeared. Letitia will bargain with the devil if it will save Justin. Christian agrees to search for Justin and the real killer, but he leaves the price of his assistance vague. Letitia accedes to his demand without the infamous histrionics her family possesses in abundance. She needs to focus on clearing Justin and ignore her rapid heartbeat that occurs whenever she's near Christian. He broke her heart once and she will not allow him to do so again.

Twelve years ago, Christian, the Marquess of Dearne, left his family and Letitia behind for the excitement of working secretly for king and country. He promised to return in due time and marry Letitia. When he finally came back, Christian discovered Letitia married -- and no explanation. Since then, they've ignored one another in society. Christian harbors the need for revenge for his broken heart. Upon Letitia's request for help, Christian envisions ways to make her pay -- until he uncovers the truth behind her marriage.

The barriers between them slowly dissolve as they tackle the mystery surrounding her late husband. Their discoveries surprise them as Letitia finds she knew nothing about her late husband. Letitia struggles with the new information and with her feelings for Christian as he seduces her by showing his undying love.

Ms. Laurens delves into the social distinctions between the classes in this wickedly captivating romance. Watching her portrayal of Letitia's famous temper as it bursts will have readers rolling in laughter. This is the last in the official Bastion Club to marry, but thankfully, Ms. Laurens has one last character who demands his own happy ending.