When two weddings are accidentally scheduled for the same day and at the same location, each guest is faced with the challenge of preserving their family’s special moment while making the most of the limited space available. In a hilarious battle of determination and courage, the bride’s father (Will Ferrell) and the bride’s sister (Reese Witherspoon) face off in chaotic fashion as they stop at nothing to deliver an unforgettable celebration for their loved ones.