Bianca's universe turns upside down when she learns that her high school refers to her as a ‘DUFF' (Designated Ugly Fat Friend). Hoping to erase that label, she enlists the help of a charming jock and her favorite teacher. Together they'll face the school's mean girl and remind everyone that we are all someone's DUFF… and that's totally fine.

Becca, an anxious, non-vampire teen is torn between two boys. Before she can choose, Becca must get around her controlling father, who embarrasses Becca by treating her like a child. Meanwhile, Becca's friends contend with their own romantic issues - all of which collide at the prom.