Fujio is beautiful, talented, well-heeled, and engaged to up-and-coming diplomat Munechika. She has promised him a gold watch, a family heirloom, as an emblem of their engagement. However, she becomes enamoured with Ono, a student employed to tutor her in English, who is attracted by her beauty and wealth. Ono himself is bound by an engagement to Sayoko, daughter of his mentor, Professor Inoue.