Fun and Delightful. In this comedic romp, four friends have sworn to keep the promise they made on their Senior Prom night: to be in each other’s weddings … no matter what. Flash forward 30 years and these Southern friends-for-life are still determined to honor that vow. If you’ve ever experienced a fight over a bridal bouquet, questioned “what if” a bride and groom are meant to be or been forced to wear the world’s ugliest bridesmaid dress, you’ll relate to just how far they are willing to go to keep a promise.