Fleeing the harsh guardianship of her grandfather, Prudence Merridew escapes with her beautiful younger sisters to London. One of them must marry—and fast. To act as her sisters' chaperone, Prudence invents a secret engagement to a reclusive duke... But when the duke arrives unexpectedly in London, she needs his help to avert disaster.

Aristocratic Gideon, handsome, rakish and with a strong frivolous streak, casually hijacks Prudence's game, awarding himself a stolen kiss or three along the way. Used to managing sisters and elderly men, Prudence is completely out of her depth with a charming, devious and utterly irresistible rake. And her plot goes terribly—if deliciously—awry...