The film centers on Marni Olsen (played by Kristen Bell), a successful PR executive who returns to her hometown for her brother Will’s (played by James Wolk) wedding. Marni is shocked to discover that Will’s fiancée, Joanna (played by Odette Annable), is none other than her high school rival. Marni, still traumatized by her high school experiences, is determined to expose Joanna’s true nature to her family.
In the climax, Marni learns that Joanna is the same girl who bullied her relentlessly in high school under the name “J.J.” Despite Marni’s attempts to warn her family about Joanna’s true character, they refuse to believe her and accuse her of being jealous. Meanwhile, Marni’s mother, Gail (played by Jamie Lee Curtis), reconnects with Joanna’s aunt, Ramona (played by Sigourney Weaver), who was her own high school rival.
As the plot unfolds, Marni and Gail discover that Ramona has not changed since high school and is still manipulative and competitive. They team up to expose Ramona’s schemes and protect their family from her influence.
In the resolution, Marni and Joanna reconcile their differences and bond over their shared experiences of being bullied in high school. They confront Ramona together and expose her true nature to the rest of the family. Ramona’s attempts to sabotage the wedding fail, and Will and Joanna’s wedding goes ahead as planned.
The film concludes with Marni and Joanna putting their past behind them and embracing their newfound friendship. They vow to support each other and not let their past experiences define them. The family comes together to celebrate Will and Joanna’s wedding, with Marni finally finding closure and peace with her past.
“You Again” is praised for its humor, heartwarming moments, and strong performances from its ensemble cast. It explores themes of forgiveness, redemption, and the power of friendship, making it an enjoyable and relatable comedy for audiences of all ages.