The story follows Bianca Piper (played by Mae Whitman), a high school student who discovers that she has been labeled as the “DUFF” by her classmates. Disturbed by this revelation, Bianca seeks help from her neighbor and childhood friend, Wesley Rush (played by Robbie Amell).
Wesley, a popular and attractive athlete, agrees to help Bianca redefine herself and break free from the “DUFF” label. In return, Bianca helps Wesley with his academic studies. As they spend time together, they develop a genuine friendship.
Bianca starts transforming herself, gaining confidence and challenging the stereotypes associated with high school labels. Along the way, she confronts cyberbullying and the superficiality of social hierarchies.
In the climax, Bianca realizes the importance of being true to oneself and embracing individuality. She gives a speech at the school assembly challenging the idea of labeling and encouraging others to be comfortable with who they are.
“The DUFF” received generally positive reviews for its humor, relatability, and the central theme of self-acceptance. The film explores issues of identity, friendship, and the pressures of conforming to societal standards, especially in the context of high school dynamics.