Mary Fiore (Jennifer Lopez) is THE WEDDING PLANNER. She's ambitious, hard-working, extremely organized, and she knows exactly what to do and say to make any wedding a spectacular event. But when Mary falls (literally) for a handsome doctor (Matthew McConaughey), her busy yet uncomplicated life is turned upside down -- he's the groom in the biggest wedding of her career! Will she help him walk down the aisle with his internet tycoon girlfriend (Bridgette Wilson-Sampras), or will Mary finally get to be the bride herself?