When two weddings are booked on the same day at the same venue, each wedding party is faced with the challenge of capturing their family’s special moment while making the most of unexpected tight spots. In a hilarious battle of will and determination, the bride’s father (Will Ferrell) and the other bride’s sister (Reese Witherspoon) go head-to-head in a chaotic race as they stop at nothing to throw their loved ones an unforgettable celebration.