Thea Knight loves a spot of mischief. She especially loves her current mischief: masquerading as her sister, while finalizing her scheme to expose the dastardly knaves whose lies ruined her life. Then big, bad-tempered Lord Luxborough upends her game by maneuvering her into marriage. But it's her sister’s name on the license, so the marriage won’t be valid. Thea’s idea? Keep pretending to be her sister until she can run away.

Lord Lysander Blackstone, the stern Duke of Montcroix, has only one interest: increasing his considerable fortune. After a series of betrayals, he keeps his emotions buried deep. Money, after all, can't break a man's heart—or make promises it can’t keep. But when his reputation for being heartless jeopardizes a new business deal, he finds himself seeking a most unusual—and alluring—solution.

War hero Alistair Carsington really really loves women, and his romantic impulses have landed him in nearly as much danger as the Battle of Waterloo. To avoid his usual temptations and perhaps even repay the friend who saved his life, he's exiled himself to a place far from civilization - Derbyshire - in winter! Fate laughs at his good intentions and drives him straight into conflict with Miss Mirabel Oldridge, his match in tenacity, intelligence, and deviousness - who also happens to be wildly irresistible.

Kitty Talbot needs a fortune. Or rather, she needs a husband who has a fortune. Left with her father’s massive debts, she has only twelve weeks to save her family from ruin. Kitty has never been one to back down from a challenge, so she leaves home and heads toward the most dangerous battleground in all of England: the London season. Kitty may be neither accomplished nor especially genteel—but she is utterly single-minded; imbued with cunning and ingenuity, she knows that risk is just part of the game.

Gorgeous, stubborn Esme Brentmor, daughter of a disgraced lord, is used to a wild, dangerous life among the tribes of Albania, to whom her father is the legendary, controversial Red Lion whose death she's courageously vowed to avenge - even if it leads to her own. Instead, her quest finds her rescued by the most unlikely (and very reluctant) hero! Lazy and spoiled, Lord Varian St. George has gambled away his heritage and lives on his considerable looks, charm and wits.