Carolina is a high-school senior who feels she is too smart and mature for small-town Alabama life.Then she meets Mr. Mann,the new language arts teacher who is obsessed with Emily Dickinson. After she makes him feel at ease in his new job,she feels he is worthy of her attention,and the two begin an intense, clandestine affair,which is consummated on her 18th birthday.The love ends devastatingly for the teen when Mr. Mann suddenly dumps her and quickly marries another woman right before graduation.Carolina finally confides in her best friend,Schuyler,and he helps her try to figure out who Mr. Mann is and why he acted as he did.