When a duke's youngest daughter disappears in the night, Alistair Baston, man-of-affairs, and rakish second son agrees to keep a watchful eye on Lady Isabella Avery, the duke’s tomboyish and stubborn eldest daughter. When their search unexpectedly leads to a dangerous carriage ambush, and the pair running from murderous highwaymen, Alistair finds himself caring for Lady Isabella more than he ever thought possible. Lady Isabella was more than a little infuriated when her father assigned his man-of-affairs as her personal guard. Able to handle daggers and pistols, she was perfectly capable of taking care of herself. But, when Isabella finds herself unable to resist Alistair’s charms, and they share their first kiss… guilt swells in her chest. How can she possibly give her heart to a gentleman while her sister was still missing, or perhaps may even be dead?