When two weddings are accidentally booked on the same date and in the same location, each bridal party must make the most of the small and unexpected spaces to preserve their family’s special occasion. In a hilarious battle of determination and courage, the father of the bride (Will Ferrell) and the sister of the other bride (Reese Witherspoon) clash head-to-head in a chaotic battle to hold an unforgettable ceremony for their loved ones.