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.

Lord Elliott Mayfield sees the new generation of his family moving in the same direction of bad matches and scandalous relationships as the last. In hopes to change their course, he establishes a "marriage campaign" to motivate them to improve themselves through making respectable matches. Peter, Elliott's eldest nephew, thinks the entire idea is ridiculous. A widower with two young daughters, he simply needs a governess, not a wife. Julia Hollingsworth has the credentials and the experience, but is too young and pretty for such a job. So why can't he stop thinking about her?

Constantly stifled by the rules of Society, spirited Rebecca Rowley enjoys finding ways to quietly - or not so quietly - rebel. But riding bareback and avoiding nosy neighbors are nothing compared to the thrilling secret she is keeping from her family. When Rebecca’s quick thinking saves the life of a young girl, she unwittingly attracts the attention of the child’s dashing brother, Lieutenant Nicholas Avery. As that attention turns flirtatious, Rebecca is forced to tell him the truth: She is secretly engaged - to the one man her family would never approve of.

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.

Tall, dark, and brooding, the Viscount of Barnet stole Jane Milton's heart the day she saw him astride his black horse in the woods. When she learns of his upcoming trip to Brighton, she grasps at an opportunity to be a companion to an elderly woman there, in order to follow - er - accompany Lord Barnet to the seaside town. Mr. Philip Honeyfield has suffered the dreaded misfortune of inheriting a title. Ungainly and shy, how can he perform well in the eye of society? To navigate his new role, Philip seeks advice from an unlikely source.