When two weddings are booked on the same day at the same venue, each bridal party is tasked with preserving their family’s special moment while making the most of unexpectedly tight spaces. In a hilarious showdown of determination and courage, the father of the bride (Will Ferrell) and the sister of the other bride (Reese Witherspoon) come face to face as they stop at nothing to plan an unforgettable celebration for their loved ones.