Horry Winwood doesn't play by the rules. So when her family are near ruin and her sister is about to enter a loveless marriage to a wealthy man to settle the family debts, young and headstrong Horry proposes to marry him instead. As her new husband's attentions fall elsewhere, Horry feels increasingly unhappy. Then she meets the attractive and dangerous Lord Lethbridge, and her days suddenly become more exciting. But there is bad blood between Horry's husband and Lord Lethbridge, and as complications and deceptions mount, the social tangle grows ever trickier to unpick.

Based on a story she had written for her brother and published when she was 19 years old, The Black Moth is set during the Georgian era in the 1750s and follows Lord Jack Carstares, the eldest son of the Earl of Wyncham. Six years ago, Jack took the blame when his younger brother Richard cheated at cards. Jack consequently faced social exile and fled England for the European continent. He has now secretly returned, robbing carriages as a highwayman.

Stepping into the wrong carriage at a Sussex village, Elinor Rochdale is swept up in a thrilling and dangerous adventure. Overnight the would-be governess becomes mistress of a ruined estate and partner in a secret conspiracy to save a family's name. By midnight, she is a bride, by dawn, a widow.

Miles from anywhere, the isolated mansion Darracott Place is presided over by the irascible Lord Darracott. The recent drowning of his eldest son has done nothing to improve his temper. For now he must send for the unknown offspring of the uncle whom the family are never permitted to mention. Yet none of that beleaguered family are prepared for the arrival of the weaver's brat and heir apparent.

The legend of the Headless Horseman and a proposed marriage de convenance both have their impact on the mystery of a golden talisman ring and Lord Lavenham's young heir, Ludovic. Neither Sir Tristram Shield nor Eustacie, his young French cousin, shares the slightest inclination to marry one another, yet it is Lord Lavenham's dying wish. For there is no one else to provide for the old man's granddaughter while Ludovic remains a fugitive from justice.