When two weddings are accidentally booked at the same venue on the same day, each newlyweds’ party is challenged to capture a special moment for their family while making the most of the unexpected tight space. In a hilarious battle of determination and determination, the father of the bride (Will Ferrell) and the sister of the other bride (Reese Witherspoon) go head-to-head chaotically as they stop at nothing to throw an unforgettable celebration for their loved ones.