When two weddings are accidentally booked for the same day at the same location, each bridal party is challenged to preserve their family’s special moment and make the most of the unexpectedly cramped space. In a hilarious battle of determination and courage, the father of the bride (Will Ferrell) and the sister of the other bride (Reese Witherspoon) go head-to-head in a chaotic battle to create an unforgettable celebration for their loved ones.