Juliet (Kate Winslet Kate Winslet) and Pauline (Melanie Linsky Melanie Lynskey) meet in a girls' school with a strict school ethos, and the two quickly establish a sincere and warm friendship. In their shared diary, there is a fictional story called "Bolovnia", featuring King Charles and Queen Deborah. Juliet's tuberculosis forced her and Pauline to separate, during which time they corresponded with each other as Charles and Deborah. As time went on, Juliet's parents sensed the extraordinary relationship between their daughter and Pauline, and they began to break up the glued friends. Juliet and Pauline's actions made Juliet and Pauline very painful, and the two sensitive age finally committed irreparable sins on impulse.