To experience ordinary life, Rachel, the mayor's daughter, hides her identity and starts teaching at a university. On her first day, she is insulted and pushed into a pool by three female students, but is rescued by Kay, the school's quarterback. They quickly fall into a secret teacher-student romance. One rainy night, however, Rachel catches Kay cheating with the cheerleader captain and overhears him mocking her as "old, ugly, and poor." Heartbroken, she takes photos as evidence, then goes home and immediately agrees to the arranged marriage her mayor father had proposed—only to find out the groom is Kay's older brother, Ben. At the engagement banquet, Rachel appears in a stunning wedding gown and publicly reveals Kay's affair photos. Kay is shocked to realize that the "fat girl" he mocked is actually the mayor's daughter—and his future sister-in-law.