Lady Lavinia Gillingham prefers rocks and dirt to marriage. Her passion is science, and she’s determined to marry if - and only if - she finds a man who supports her interests and intellect. So far, she’s managed to avoid attention on the Marriage Mart, but when the Duke of Seduction pens anonymous letters singing her praises, she suddenly become the toast of the ton and matrimony seems imminent.

Frances Snowden can hardly believe her good fortune when she’s whisked away from her boring life by her sister who is now a duchess. Instead of becoming the third wife of her parents’ stuffy neighbor, she can be anything she wants: a doting aunt to her newborn niece, a debutante in London, or even an independent spinster. But when she meets and kisses a mysterious man on a walk in the countryside, she knows exactly what she desires - him.

Everyone Nicholas Bateman ever loved has died. Except Violet Caulfield, which must mean he never loved her. Nine years after she threw him over to marry a viscount, Nick is a widowed duke who prefers isolation. When a friend convinces him to leave his lair of self-imposed solitude, he considers taking another wife, provided she agrees to his terms: no emotional attachment of any kind. Now widowed, Lady Violet Pendleton hopes for a second chance with the man she’s always loved. But she isn’t prepared for the desolation in his soul or the animosity he still bears toward her.

After witnessing how love embittered his uncle and broke his father, Felix Havers, Earl of Ware vows never to love. He conceals his emotions behind a wall of wit and charm, and is celebrated as the master of entertainments - parties, picnics, races. When his best friend’s wallflower sister needs to find a husband, he promises to make her the toast of London...without losing his heart. Miss Sarah Colton has given up on the pursuit of marriage. When her parents learn she intends to open a millinery shop, they give her an ultimatum: choose a husband or they’ll do it for her.

After killing his opponent in a duel, Lionel Maitland, Marquess of Axbridge, is known as the Duke of Danger. Tortured by guilt, he shields himself with a devil-may-care attitude. However, when he kills another man in another duel, he's beyond redemption, even though it wasn't his fault. He refuses to smear a dead man's name, especially when he's left behind a blameless widow who doesn't deserve an even bigger scandal.