Liv (Kate Hudson) and Emma (Anne Hathaway) are best friends who since childhood have planned every detail of their respective weddings. At the top of their bridal “must have” list: a ceremony at New York’s ultimate bridal destination, the Plaza Hotel. Now, at age 26, they’re both about to get married; they’re about to realize their dreams; and they’re about to live happily ever after. When a clerical error causes a clash in wedding dates - they’re now to be married on the same date! - Liv, Emma and their lifelong friendship are put to the ultimate test.