The Honourable Christopher Fancot, on leave from the diplomatic service in the summer of 1817, is startled to find his entrancing but incorrigibly extravagant mother on the brink of financial and social ruin - and more than alarmed to find that his twin, Evelyn, has disappeared without trace. Christopher - Kit - is forced into an outrageous masquerade by the tangled affairs of his wayward family: his rigid uncle, Lord Brumby; the surprisingly wily Sir Bonamy Ripple; the formidable old Lady Stavely and Evelyn's betrothed, Cressy.

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.

Annis Wychwood delights in her independence. Beautiful, rich and far too busy for love, she has turned down the advances of many a hopeful suitor. But when she becomes entangled in the affairs of a runaway heiress, she encounters the girl's guardian, the notorious Oliver Carleton. While Oliver may be a reckless and uncivil rogue, Annis can't help but be drawn towards his wild ways.

Leonie Bonnard is being drawn into a 12-year-old feud. Justin Alastair, the duke of Avon, is a reprehensible rake with an axe to grind. Decades ago the Comte de Saint-Vire did something unforgivable, and ever since Justin has been lying in wait to settle the score. When Justin meets Leon, a street urchin with a striking resemblance to his nemesis, he aims to use him as a pawn in his plans for revenge on the Comte. Except Leon is in fact Leonie, a beautiful young ingénue who may just steal Justin's heart.

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.