Chaos ensues when two brides, Jenni (Geraldine Viswanathan) and Neve (Meredith Hagner), unknowingly double-book the same idyllic wedding venue. As their families clash, heartfelt revelations unfold, revealing deep-seated emotions and misunderstandings. Jim (Will Ferrell), Jenni's devoted father, and Margot (Reese Witherspoon), Neve's controlling sister, must navigate their differences to ensure love prevails amidst the wedding madness.