Young Alexandra Hobbs made a most interesting offer to the brilliant socialite Owen Monroe: she will help Owen get the hand of her older sister, the caustic, proud beauty Lavinia, and in return he will make her, an inconspicuous gray mouse, the queen of London drawing rooms, experienced in social manners, dancing and flirting - in a word, in everything that makes a lady charming. Owen gets down to business with passion - and very soon realizes that he turned out to be too good a teacher, since every day he himself falls more and more in love with his charming student. But such love threatens the young lord with disaster: after all, marrying Lavinia is his only chance to receive an inheritance...