When two weddings are coincidentally booked on the same day at the same venue, each bridal party is challenged to preserve their family’s special moment while making the most of the unexpectedly cramped space. In a hilarious battle of determination and courage, the bride’s father (Will Ferrell) and the other bride’s sister (Reese Witherspoon) chaotically pit themselves against each other, stopping at nothing to organize an unforgettable celebration for their loved ones.