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When a geeky high-school valedictorian throws caution to the wind by expressing his love for a popular cheerleader during his graduation speech, life finally starts to get interesting in this coming-of-age comedy adapted from the book by journalist/author/screenwriter Larry Doyle. Denis Cooverman (Paul Rust) may have brains to spare; it's guts that he lacks -- or at least, he did until today. Stepping up to the podium to deliver an inspirational speech to his graduating class, Denis decides that the time has finally come to call out his classmates on their peccadilloes and declare his love for the prettiest girl in school -- Beth Cooper (Hayden Panettiere). Much to Denis' surprise, Beth responds by accepting an invitation to a party at his house later that day. But Beth's meathead boyfriend, Kevin (Shawn Roberts), is none-too-pleased that his high school prize is mingling with the biggest dweeb in school, and when Kevin shows up at his house and tears the place apart in a fit of rage, Denis, his best friend Rich (Jack Carpenter), Beth, and her friends Cammy (Lauren London) and Treece (Lauren Storm) all pile into Beth's car and flee for their lives. For four long years Denis sat silently behind Beth in class, pining for a way to make his love known. Now, over the course of one long night, Denis will finally get to know the girl of his dreams better than he ever thought possible. If he manages to survive until morning, it's sure to be the story of a lifetime.