The film follows Denis Cooverman (played by Paul Rust), a high school valedictorian who confesses his love for popular cheerleader Beth Cooper (played by Hayden Panettiere) during his graduation speech. To his surprise, Beth responds positively to his declaration and invites him and his friends to a party at her house.
Denis, along with his best friend Rich (played by Jack Carpenter) and their mutual friend Cammy (played by Lauren London), decide to attend the party despite their initial hesitation. As they arrive at Beth’s house, they encounter various obstacles and comedic mishaps, including confrontations with Beth’s jealous ex-boyfriend, Kevin (played by Shawn Roberts), and his gang of friends.
Throughout the night, Denis and his friends find themselves embroiled in a series of hilarious and awkward situations as they navigate the party and interact with Beth and her friends. Despite their initial misgivings, Denis begins to bond with Beth and realizes that she is not as perfect as he initially thought.
As the night progresses, Denis and Beth share a series of intimate moments and confide in each other about their fears and insecurities. Denis learns that Beth is not as confident and self-assured as she appears, and he begins to see her in a new light.
However, their budding romance is threatened when Kevin and his friends crash the party and confront Denis and his friends. A chaotic and comedic brawl ensues, resulting in Denis and his friends narrowly escaping unscathed.
In the aftermath of the party, Denis and Beth share a heartfelt conversation where they confess their feelings for each other. They share a kiss, solidifying their newfound relationship and setting the stage for a romantic future together.
The film ends with Denis and Beth driving off into the night, leaving behind the chaos of high school and embarking on a new chapter of their lives together. As they drive away, Denis reflects on the lessons he has learned and the importance of taking risks and following his heart.
“I Love You, Beth Cooper” is a charming and comedic coming-of-age story that explores themes of love, friendship, and self-discovery. Through its witty dialogue, quirky characters, and heartfelt moments, the film delivers a message of acceptance and embracing the unpredictability of life and love.