When two weddings are accidentally booked on the same day at the same venue, every wedding party is challenged to preserve their family’s special moment while making the most of the unexpected scarcity. In a hilarious battle of determination and determination, the father of the bride (Will Ferrell) and the other bride’s sister (Reese Witherspoon) go head-to-head in a chaotic affair while stopping at nothing to create an unforgettable celebration for their loved ones.