When two weddings are accidentally booked on the same day at the same venue, each bridal party is faced with the challenge of capturing their family’s special moment while making the most of the unexpected close quarters. In a hilarious battle of determination and courage, the bride’s father (Will Ferrell) and the other bride’s sister (Reese Witherspoon) chaotically go head-to-head as they stop at nothing to create an unforgettable celebration for their loved ones.