Daisy Miller is a young American girl travelling Europe with her mother and younger brother. While in Vevey, Switzerland, she becomes acquainted with Frederick Winterbourne, an idle expatriate, of well-to-do Americans. Winterbourne, who observes and critiques young Daisy through their brief acquaintanceship, is infatuated with her irreverent behavior. Daisy flaunts society's rules and uncompromising standards; she is charming, spontaneous and unpretentious, and her audacity shocks the Europeans, who consider her an uncultivated flirt. The sophisticated Winterbourne remains smitten with Daisy, but his classical values stand in his way...