With graduation looming, the Carter House girls are struggling with college visits, prom dress warfare, and boyfriend situations that are going from bad to worse. Mrs. Carter ups the stress level by planning a typical over-the-top Mother's Day fashion show, and things get tense when the designer favors certain models. Through it all, surprises are in store for each girl as their time at Carter House comes to an end. As final good-byes approach, some friendships will deepen while others crumble. Will the girls resolve old differences or part ways as enemies?