Governess Marian Greenway assumes she's been hired by a lunatic when her employer demands she wear a revealing dress to dinner and introduces her to his relatives as his fiancee. When she realizes his behavior may be rooted in his war wounds, he has her instant sympathy, though she has vowed never to marry a soldier. Captain David Armstead, Lord Wyle, wants to fob off his interfering aunts, and a fake engagement seemed a good idea when in his cups. The next day the woman he thought was a hired actress takes over his household and his children become instantly devoted to her. He soon falls in love with her, but a kidnapper vaults them into an international plot that requires all their faith and resourcefulness to overcome.