Miss Gillian Harris's trouble begins when she makes a scandalous appearance at a public masquerade ball. The trustee of her fortune, the wealthy and powerful Marquis of Landover, declares her brother, Sir Avery, an irresponsible guardian, and moves the siblings into his own fashionable London mansion. Chafing at the Marquis's careful monitoring of her conduct, the audacious Gillian devises an inspired plan: She will distract her watchful protector by presenting him with suitable candidates for courtship. But, despite her best efforts at matchmaking, the fires of jealousy begin to grow and Gillian fears she might succumb to a much more scandalous temptation: seducing the handsome Marquis herself . . .