A governess arrives at a crumbling estate to care for a marquess's three wild daughters. The marquess hasn't been to London in five years, the house is falling apart, and the staff whisper about the night his wife left. He didn't expect the new governess to reorganize his library, teach his daughters to argue properly, and refuse to call him 'my lord.' She didn't expect him to be young, furious, and reading philosophy at three in the morning.